Acting

2021

(1 episode) as Self (archive footage)

2020

as JW

2015		Toy Story at 20: To Infinity and Beyond as Self
2015		Con Man (1 episode) as Snow Guy
2015		Another Period (1 episode) as Duane Reade

2014		Marvel: 75 Years, from Pulp to Pop! as Self
2014		Showrunners: The Art of Running a TV Show as Self
2014		Sock or Hat? (1 episode) as Self
2014		Captain America: The Winter Soldier as Man on escalator in museum (uncredited)
2014		Marvel Studios: Assembling a Universe as Self

2012		Browncoats Unite: Firefly 10th Anniversary Special as Himself
2012		The Avengers: A Visual Journey as Self

2011		Warren Ellis: Captured Ghosts as Self
2011		Comic-Con Episode IV: A Fan's Hope as Self

2009

as Joss Whedon

2007		The Making of Dr. Horrible's Sing-Along Blog as Himself
2007		Star Wars: The Legacy Revealed as Self

2006

as Self

2004		Veronica Mars (1 episode) as Douglas
2004		TV Revolution (4 episodes)
2004		Best Week Ever (1 episode)

2002

(1 episode) as Man at Funeral (uncredited)

1999		Angel (2 episodes) as Numfar
1999		Rove (1 episode) as Self

1997

(7 episodes) as Self (1 episode) as Newscaster (uncredited)