John Duff is an actor, known for The Rundown (2003), Race to Witch Mountain (2009) and Hit and Run (2012).
Teen Wolf - Season 5
Criminal Minds - Season 10
Teen Wolf - Season 6
Angel - Season 4
Teen Wolf - Season 4
Anger Management - Season 3
Angel - Season 5
Angel - Season 3
Teen Wolf - Season 1
Teen Wolf - Season 3
Anger Management - Season 1
Race to Witch Mountain
Criminal Minds - Season 1
Hit and Run
Bright
The Secrets of Emily Blair
Angel - Season 1
The Debt Collector
The Lincoln Lawyer - Season 2
Anger Management - Season 4
Teen Wolf - Season 2
Angel - Season 2
The Game Plan
The Lincoln Lawyer - Season 1
CHIPS
Anger Management - Season 2