Acting

2022		Tales of the Walking Dead (1 episode) as Dr. Chauncey Everett
2022		WeCrashed (5 episodes) as Bruce Dunlevie
2022		Inventing Anna (5 episodes) as Alan Reed

2017

(2 episodes) as Judge Stanley Weisberg

2016		Designated Survivor (4 episodes) as Mars Harper
2016		Billions (2 episodes)

2013

(13 episodes) as Hank Galliston

2004

(5 episodes) as (archive footage)

1999		Law & Order: Special Victims Unit (1 episode) as Patrick Griffin
1999		Where Are They Now? (1 episode) as Self

1996

(2 episodes) as Dick Hickock

1994

(181 episodes) as Mark Greene

1993		Frasier (1 episode) as Tom (voice)
1993		Late Night with Conan O'Brien (1 episode) as Self - Guest

1982

(22 episodes)

1975

(1 episode) as Self - Host

Directing

1994

(4 episodes) … Director