2022

(1 episode) as Self - Guest

2021

(1 episode) as Leon Vance

2014

(1 episode) as Leon Vance

2012

(2 episodes) as Robert

2009

(10 episodes) as Leon Vance

2007

(1 episode) as Denham

2006

(1 episode)

2005		Invasion (4 episodes) as Healy
2005		Grey's Anatomy (1 episode) as James Miller

2004		Boston Legal (1 episode) as A.D.A. John Shubert
2004		Kevin Hill (1 episode)
2004		Father of the Pride (1 episode) as Chaz (voice)

2003

(34 episodes) as Leon Vance (328 episodes) as NCIS Director Leon Vance

2002

(2 episodes)

2001		The Agency (44 episodes)
2001		The Best Damn Sports Show Period (1 episode)

2000

(16 episodes) as Adrian Spencer

1999		The West Wing (1 episode) as Corey Sykes
1999		Family Law (2 episodes)

1996

(1 episode)

1994		Gargoyles (4 episodes) as Talon (voice) (3 episodes) as Glasses (voice) (1 episode) as Derek Maza / Talon (voice) (1 episode) as Derek Maza (voice) (1 episode) as Derek Maza (voice) / Glasses (voice) (3 episodes)
1994		Fantastic Four (2 episodes)
1994		ER (1 episode) as Mr. Walker
1994		Chicago Hope (96 episodes) as Keith Wilkes

1991

(72 episodes) as Joey Emerson

1990

(1 episode) as Dr. Davids

2018

(1 episode) … Director

2003

(18 episodes) … Director