Acting

2022

(1 episode) as Freck (voice)

2021

(1 episode) as Self

2018

(10 episodes) as Alex Schuman

2017

(1 episode) as Himself

2015		Celebrity Family Feud (1 episode)
2015		The Late Late Show with James Corden (1 episode) as Self - Guest

2014		BoJack Horseman (2 episodes) as Zach Braff (voice)
2014		Undateable (1 episode) as Zach
2014		Late Night with Seth Meyers (1 episode) as Self
2014		Off Camera with Sam Jones (1 episode) as Self

2013

(1 episode)

2012

(2 episodes) as Self

2011

(1 episode) as Chuck Feeney

2010

(2 episodes) as Self

2009

(1 episode)

2007

(1 episode) as Self

2005

(1 episode) as Self

2003		Arrested Development (2 episodes) as Phillip Litt
2003		The Ellen DeGeneres Show (3 episodes) as Self
2003		Punk'd (1 episode) as Self
2003		Jimmy Kimmel Live! (3 episodes)

2002		Clone High (1 episode) as X-Stream Mike (voice) (1 episode) as Paul Revere (voice)
2002		E! Live from the Red Carpet (1 episode) as Self

2001		Friday Night with Jonathan Ross (1 episode) as Self
2001		Scrubs (181 episodes) as John 'J.D.' Dorian

1999		The Early Show (1 episode) as Self
1999		The Late Late Show with Craig Kilborn (2 episodes) as Self

1998

(1 episode)

1997

(1 episode) as Self

1996

(1 episode) as Self

1993

(3 episodes) as Self - Guest

1992

(3 episodes)

1990

(13 episodes) as David Cummings

1988

(1 episode) as Self - Guest (2 episodes)

1975

(1 episode) as Apartment Owner (1 episode) as Self - Host

1952

(1 episode) as Self

Directing

2023

(1 episode) … Director

2021

(1 episode) … Director

2020

(1 episode) … Director

2018

(4 episodes) … Director

2001

(7 episodes) … Director

Production

2018

(10 episodes) … Executive Producer

2001

(13 episodes) … Executive Producer (89 episodes) … Producer