Jonathan Maberry is a New York Times bestselling author, five-time Bram Stoker Award winner, and comic book writer. He writes the Joe Ledger thrillers, the Rot & Ruin series, and has his first Netflix series, V-WARS (starring Ian Somerhalder) debuting in December.
Before her current series regular role in DC's Legends of Tomorrow, Jes Macallan starred in Mistresses. She also starred in the pilot Crash and Burn, and has guest-starred in numerous other series, including Red Band Society, NCIS: Los Angeles, Grey's Anatomy, Shameless, Justified, and The Protector.
Ralph Macchio starred in the Outsiders movie as Johnny, directed by Francis Ford Coppola, he also starred in Karate Kid 1 and 2, the new series Cobra Kai, as well as My Cousin Vinnie. He recently competed on Dancing With The Stars.
Dr Erin Macdonald is an astrophysicist, science fiction consultant, aerospace engineer, and host of the online series Dr Erin Explains the Universe. Her specialty is general relativity and spacetime in science fiction and she has found her home consulting with writers and teaching STEM through popular culture.
David Mack is an Emmy nominated, New York Times bestselling author and artist of Kabuki, writer of Daredevil, cover artist of Neil Gaiman's American Gods, Jessica Jones, and Fight Club 2. He is the artist on Jessica Jones Netflix opening titles and Captain America The Winter Soldier film titles.
Peter Macon is an actor and voice-over artist who plays the role of Bortus the second officer aboard the The Orville. Macon is a veteran actor who has had recurring roles on the cable series Shameless and streaming series Bosch. He also starred in the cable movie High Moon.
Rebecca Mader is an English actress, best known for her roles as Charlotte Lewis in the ABC series Lost, as Zelena, the Wicked Witch of the West, on ABC's Once Upon a Time, and for her appearances in the Devil Wears Prada, Fringe, 30 Rock, and more.
Kevin Maguire is an artist/writer/creator primarily known for his 1987 debut series Justice League International with writers Keith Giffen and Marc DeMatteis. From there he was penciller on Adventures Of Captain America, Batman Confidential: The Cat and The Bat, Created Equal, and X-Men Forever with writer Fabian Nicieza.
The award winning imaginative art of Don Maitz has appeared on hundreds of publications worldwide and as concept art for two feature animated films. Maitz created the Captain Morgan Spiced Rum character. His A-Maitz-ing images have delighted audiences for over forty years.
Mari Mancusi is a multiple Emmy award-winning TV producer and author of more than two dozen sci-fi/fantasy books for kids, teens, and adults including Gamer Girl, the Scorched series, The Blood Coven Vampires, and her newest series, The Camelot Code: The Once and Future Geek, published by Disney Books
Brianna Marie is co-owner of the Dungeons and Randomness podcast, as well as co-host on many other podcasts such as Good Morning Theria and The Buffy Breakdown. For the past year she has been handcuffed to her desk writing the setting book for Theria with her partner Jason Massey.
You’ve seen Jason Marsden on Boy Meets World, Step by Step, and Full House and heard him in A Goofy Movie, Hocus Pocus, Spirited Away, Fairly Odd Parents, and Young Justice. He’s â€œthat guy from that show,â€ having performed in film, television, video games, apps, for over 30 years!
Gail Z. Martin
Gail Z. Martin writes epic fantasy, urban fantasy and steampunk for Solaris Books, Orbit Books, and Falstaff Books. Series include Darkhurst, the Chronicles Of The Necromancer, the Fallen Kings Cycle, the Ascendant Kingdoms Saga, the Assassins of Landria, the Night Vigil, and Deadly Curiosities.
Lee Martindale is known for teaching writers’ workshops, editing the anthologies Such a Pretty Face and The Ladies Of Trade Town, and stories in anthologies edited by Marion Zimmer Bradley, Esther Friesner, Diana Paxson and more. Her short fiction currently appears in the collection Bard’s Road.
Jason Massey is professional Dungeon Master and a co-owner/host of the Dungeons and Randomness podcast. Since 2012, it has grown into a huge show and his full time profession. He has just finished writing a setting book for his campaign setting in Theria alongside his partner Brianna Marie.
David Mazouz first came to prominence for his lead role as mute Jacob "Jake" Bohm in the TV series Touch, but in 2014 he landed the role he is best known for: young Bruce Wayne in FOX's TV series Gotham.
Eddie McClintock is perhaps best known for his work as Pete Lattimer on Warehouse 13. He has also appeared as Special Agent Tim Sullivan on Bones and has guest-starred on Sex and the City, My Boys, Felicity, Friends, Less than Perfect, Better Off Ted, and The King of Queens.
CAPT Mark McDonagh
Mark McDonagh is a physicist and retired Navy submarine force Captain who has been running the National Security Decision Making Game since 1990. He lectures extensively on contemporary geopolitical and military history topics, particularly WW II and the early Cold War, modern weapons technology and the history of submarine warfare.
Clint McElroy is a podcaster, comic book writer and former radio personality known for The Adventure Zone, a role-playing podcast he launched with his sons. He is also a New York Times bestselling author for The Adventure Zone: Here There Be Gerblins (2018) from First Second.
Travis McElroy is a writer, producer and podcaster, known for My Brother, My Brother and Me; The Adventure Zone, and Trolls World Tour (2020). He is also a New York Times bestselling author for The Adventure Zone: Here There Be Gerblins (2018).
Paul McGillion's television credits include Fox's 24, ABC's Once Upon a Time, AMC's award-winning drama The Killing, CW's The Flash, Netflix's Frontier, the cult classic The X-Files, and the hit sci-fi series Stargate Atlantis where he portrayed the loveable Scottish physician, Dr. Carson Beckett, for five seasons.
Rose McIver can currently be seen playing the lead character Liv Moore on CW's iZombie. She also recently played Tinkerbell in ABC's Once Upon a Time and has previously been seen on Masters of Sex, Petals on the Wind, The Lovely Bones, and more.
Mika McKinnon is a sci-fi scientist, disaster researcher, geophysicist, journalist, and irrepressibly enthusiastic about doom. Currently, she gleefully interjects truth for far stranger fiction for projects still within the veil of not-yet-aired secrecy and is a science communicator with work on BBC, New Scientist, io9, Gizmodo, Ars Technica, and others.
Mike McKone’s first published work was for DC Comics’ Justice League of America and Marvel Comics’ Punisher series. In the years since he has illustrated almost every major character for the big two publishers, including lengthy runs on Teen Titans, Amazing Spider-Man, and Fantastic Four
Mark Meer stars as the voice of Commander Shepard, Blasto, Niftu Cal, the Vorcha, and more in Bioware's Mass Effect Trilogy. Other voice work includes the Baldur's Gate and Dragon Age series, Hinterland Studio's The Long Dark, 1980's horror homage Slayaway Camp, and Chapterhouse Studio's Captain Canuck animated series.
Travis Scott Merrill
Travis Merrill, textile artist, specialty costume creator, combines 20 years working in professional theater as a crafts artisan, prop builder, and puppeteer into a career in the film and television. See his work in Macgyver, Stranger Things, Guardians of the Galaxy 2, Live by Night, and Avengers Infinity War.
AJ Michalka is an actress and platinum recording artist as one half of the band Aly & AJ. In addition to her film and television credits, Michalka has had a recurring role on the sitcom, The Goldbergs. She now reprises her role in spin-off series, Schooled.
Aly Michalka is an actress and platinum recording artist as one half of the band Aly & AJ. She has appeared in the films Easy A, Bandslam, Sequoia, and Weepah Way for Now, among others. Her television credits include iZombie, Hellcats, and Two and a Half Men.
Dr. Sarah M. Milkovich is the Science Operations Team Chief for the Mars 2020 Rover at NASA Jet Propulsion Laboratory. Sarah specializes in the science operations of robotic spacecraft, bridging the science and engineering teams. She has previously worked on Mars Phoenix, Cassini-Huygens, Mars Science Laboratory, and Mars Reconnaissance Orbiter.
You can currently hear Amanda Miller as Sailor Jupiter in the Viz dub of Sailor Moon and Sailor Moon Crystal, as Boruto Uzumaki in Boruto: Naruto the Movie and TV series, Mikage in Durarara!!x2, Menchi in Hunter x Hunter, and as Ride in Gundam Iron Blooded Orphans on Toonami.
Max Mittelman has been entertaining audiences since high school, but you're likely most familiar with his work as the voice of Saitama (One-Punch Man), Ryuji Sakamoto (Persona 5), Plagg (Miraculous Ladybug), and King (Seven Deadly Sins). He also voices Harry Osborn (Disney XD's Marvel's Spider-Man) alongside best friend Robbie Daymond.
Rebecca Moesta has written novels in the Buffy the Vampire Slayer and Junior Jedi Knights series, and with husband Kevin J. Anderson, she wrote the Crystal Doors trilogy, fourteen Young Jedi Knights novels, six novelizations, lyrics for two rock CDs, graphic novels, and pop-up books.
Karl Moline is a comic book artist and the co-creator (along with Joss Whedon) of Fray. He has also provided the Fray-centric storyline in Buffy the Vampire Slayer season eight: "Time of Your Life." Moline has pencilled the Willow one shot named Goddesses and Monsters and the Riley one shot.
Mosley is a designer/creator of professional stagewear and cosplay costumes for clients and celebrities, including various WWE Superstars, rappers and NFL football players. In addition to creating more than 350 unique costumes from a variety of genres, he also designs and fabricates props for stage plays and television shows.
Dean Motter is an artist/writer and designer, best known for the comics sensation Mister X, has created works for DC, Dark Horse, and Marvel Comics. His Vertigo mini-series, Terminal City was nominated for Eisner and Kurtzman Awards. He is also known for his graphic novel The Prisoner: Shattered Visage.
Anson Mount is known for his television roles as fictional character Cullen Bohannon in the AMC western drama series Hell on Wheels, Jim Steele on the short-lived NBC series Conviction, the Marvel Comics superhero Black Bolt in Marvel's Inhumans, and Captain Christopher Pike in season 2 of Star Trek: Discovery.
Robin R Murphy
Dr. Robin R. Murphy is a professor of computer science and engineering at Texas A&M University and author of over 150 papers and books, including Robotics Through Science Fiction: Artificial Intelligence Explained Through Six Classic Robot Short Stories. She writes about science fiction/fact for Science Robotics and RoboticsThroughScienceFiction.com.
Sabutai Musashi is the current Grandmaster of Ninkage ryu bujutsu; a Japanese martial arts system that includes empty-handed study such as Aikijutsu, weapons study, such as Kenjutsu and Iaijutsu, and internal arts. Grandmaster Musashi and his students have provided exciting demonstrations of Ninkage ryu at DragonCon since 2005.