Sean Maher is an American actor, best known for playing Simon Tam in the science fiction television series Firefly and follow-up movie Serenity.
After taking a brief break from acting, Maher came back to TV in 2009 as a guest star in Lifetime Television’s pilot episode of Drop Dead Diva, followed by 2010 guest appearances in the second season of The Mentalist (CBS), the first season of Human Target (FOX) and the second season of Warehouse 13 (on Syfy).
In 2011 Maher landed a role in the television series The Playboy Club. He appeared in eight episodes, in 2011 and 2012, in another series, Make It or Break It, as the character Marcus. He played the villainous Don John in Joss Whedon’s 2012 adaptation of Much Ado About Nothing.
In 2014, Maher starred as Dick Grayson/Nightwing in Son of Batman, a direct-to-video animated film. It is part of the DC Universe Animated Original Movies, followed by Batman: Bad Blood and Justice League vs. Teen Titans.