
Erik Knudsen is a Canadian actor best known for his roles in popular horror and sci-fi franchises. He gained significant attention as Daniel Matthews in Saw II (2005) and later starred as Robbie Mercer in the slasher film Scream 4 (2011). On television, he is widely recognized for playing the teenage tech genius Alec Sadler in the science fiction series Continuum (2012–2015) and Dale Turner in the post-apocalyptic drama Jericho (2006–2008).

Saw II
2005 · as Daniel Matthews

Scream 4
2011 · as Robbie Mercer

Scott Pilgrim vs. the World
2010 · as Crash

Saw 3D
2010 · as Daniel Matthews (archive footage) (uncredited)

Beastly
2011 · as Trey Madison

Youth in Revolt
2009 · as Lefty

Bon Cop Bad Cop
2006 · as Jonathan Ward

My Husband's Double Life
2001 · as Young Chris Welsh

The Prize Winner of Defiance, Ohio
2005 · as Rog Ryan at 13 Years

The Barrens
2012 · as Ryan

Common Ground
2000 · as Young Johnny Burroughs

A Lobster Tale
2006 · as Timmy Brock

Santa Who?
2000 · as Nasty Boy

Stickman
2017 · as Jeremy

Stolen Miracle
2001 · as Tony Miller

Full-Court Miracle
2003 · as TJ Murphy

Bon Cop Bad Cop 2
2017 · as Jonathan Ward

Blackout
2001 · as Ian Robbins