Acting

2019

(9 episodes) as Judge Albert Campbell

2017

(1 episode) as Ishmael

2015

(13 episodes) as Simon Sifter

2014

(3 episodes) as Tseebo (voice)

2013

(2 episodes) as Professor Elliott Randolph

2012		The Mindy Project (1 episode) as Rabbi Adler
2012		Veep (9 episodes) as Jeff Kane
2012		Doc McStuffins (1 episode) as Egghead (voice)

2011

(1 episode) as Judge Smollet

2010		G.I. Joe: Renegades (1 episode) as Firefly (voice)
2010		Young Justice (1 episode) as Professor Ivo (voice) (1 episode) as Professor Ivo / M.O.N.Q.I. (voice) (1 episode) as Professor Ivo / Amazo / MONQI (voice)
2010		Ben 10: Ultimate Alien (2 episodes) as Oliver / Forever Knight #1 (voice)

2008

(1 episode) as Master Planner / Doctor Octopus (voice) (1 episode) as Master Planner / Otto Octavius (voice) (2 episodes) as Master Planner (voice) (3 episodes) as Doctor Octopus (voice) (1 episode) as Otto Octavius / Doctor Octopus (voice) (4 episodes) as Otto Octavius (voice)

2007

(1 episode) as Robert Wolcott

2005		Grey's Anatomy (7 episodes) as Robert Stark
2005		American Dad! (1 episode) as Santa's Elf (voice) (1 episode) as Old Man Hanson (voice) (1 episode) as Angel (voice)
2005		Numb3rs (118 episodes) as Larry Fleinhardt

2004		Boston Legal (1 episode) as Dr. Sydney Field
2004		The Batman (3 episodes) as Langstrom (voice)
2004		Justice League Unlimited (2 episodes) as David Clinton (voice)
2004		Danny Phantom (2 episodes) as Sidney Poindexter (voice)

2003

(1 episode)

2001

(24 episodes) as Tom Lennox

2000		Harvey Birdman, Attorney at Law (9 episodes) as X the Eliminator (voice) (8 episodes)
2000		Buzz Lightyear of Star Command (2 episodes) as Major (voice)

1998		The Wild Thornberrys (1 episode) as Raju / Monkey (voice)
1998		CatDog (1 episode)

1997		Ally McBeal (91 episodes) as John Cage (10 episodes)
1997		The Angry Beavers (1 episode)

1994

(1 episode)

1992

(21 episodes) as Bradley Grist

1989

(1 episode) as Austin Haggard

1987

(1 episode) as Steve Cooper

1982

(1 episode) as Martin

Directing

2000

(1 episode) … Director

1997

(3 episodes) … Director

Writing

2005

(1 episode) … Writer