Filmography
| Year | Title | Role | Notes |
|---|---|---|---|
| 1999 | Running Home | Kid #2 | |
| Who Gets the House? | Jonathan | ||
| 2000 | Almost Famous | Vic Munoz | |
| 2002 | The Rules of Attraction | Harry | |
| 2003 | Nemesis Game | Jeremy Curran | |
| 2004 | Million Dollar Baby | Danger Barch | |
| 2005 | Fetching Cody | Art Frankel | |
| 2007 | Knocked Up | Jay | |
| Jay and Seth vs. The Apocalypse | Jay | Short Film | |
| I'm Reed Fish | Reed Fish | ||
| Just Buried | Oliver Whynacht | ||
| 2008 | Real Time | Andy Hayes | |
| Tropic Thunder | Kevin Sandusky | ||
| Nick and Norah's Infinite Playlist | Tal Hanson | ||
| 2009 | Fanboys | Windows | |
| Night at the Museum: Battle of the Smithsonian | Joey Motorola | Cameo | |
| Edgar and Jane | - | Short Film Writer/Producer/Director Only |
|
| 2010 | She's Out of My League | Kirk Kettner | |
| How to Train Your Dragon | Hiccup | Voice Only | |
| The Trotsky | Leon | ||
| The Sorcerer's Apprentice | Dave Stutler | ||
| Good Neighbours | Victor | ||
| 2011 | Johnny Klutz | Johnny Klutz | |
| Goon | Pat | Also Writer | |
| 2012 | Cosmopolis | Shiner | |
| 2013 | The Apocalypse | Himself | Filming |
| RoboCop | Pope | Filming | |
| 2014 | How to Train Your Dragon 2 | Hiccup | Voice Only |
| Year | Title | Role | Notes |
|---|---|---|---|
| 1995 | Are You Afraid of the Dark? | Joe | 2 episodes; "The Tale of the Dead Man's Float", plays the boy who drowns in the beginning. |
| 1996 | My Hometown | Thomas Thompson | Series regular |
| 1997 | Popular Mechanics for Kids | Himself | Season 1 |
| 1998 | The Worst Witch | Bean Pole | 1 episode |
| 1999–2000 | Are You Afraid of the Dark? | Alex, Ross Doyle, Jason Midas | 3 episodes; (1) The Tale of the Walking Shadow, plays McDuff in the Shakespeare play. |
| 2001–2002 | Undeclared | Steven Karp | Series regular, 17 episodes |
| 2002 | Matthew Blackheart: Monster Smasher | Jimmy Fleming | |
| 2004 | The Stones | Winston Stone | Series regular, 6 episodes |
| 2005–2006 | Just Legal | Skip Ross | Series regular, 8 episodes |
| 2006–2007 | Numb3rs | Oswald Kittner | Guest star, 2 episodes |
| 2010 | The Drunk and On Drugs Happy Fun Time Hour | Private Prosciutto Falcon |
Supporting |
| 2012 | Dragons: Riders of Berk | Hiccup | Movie adaptation; Voice only |
| Being Human (North American TV series) | Stu | Guest star, 1 episode |
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