2023

(1 episode) as Abe

2021

(1 episode) as Bernard (voice) (1 episode) as Adorable (voice) (1 episode) as Adorable / Bernard (voice) (1 episode) as Yeti (voice)

2019		Bob Hearts Abishola (1 episode) as Hank
2019		Just Roll with It (2 episodes) as George Bennett

2016

(1 episode) as Major Derlin (voice)

2013		The Goldbergs (1 episode) as Digby Yates
2013		Mom (1 episode) as Stan
2013		Legit (26 episodes) as Walter (13 episodes) as Walter Nugent

2011

(3 episodes) as Judge Elliot Reid

2010		Fish Hooks (1 episode) as Wilford (voice)
2010		Buzz Lightyear Mission Logs (3 episodes) as Hamm (voice)

2009

(1 episode) as Larry Kaswell

2005		Bones (1 episode) as Bill Schumacher
2005		Dancing with the Stars (14 episodes) as Self - Contestant
2005		Hell's Kitchen (1 episode) as Self

2004		Rodney (1 episode) as John Ratzenberger
2004		John Ratzenberger's Made in America (90 episodes)

2002

(4 episodes) as Fred

2000		CSI: Crime Scene Investigation (1 episode) as Stu Kirchoff
2000		Pigs Next Door (13 episodes) as Ike Stump

1998

(1 episode) as Glen

1997		The Wonderful World of Disney (1 episode)
1997		The View (2 episodes) as Self

1996		Sabrina, the Teenage Witch (1 episode) as Bob
1996		Toy Story Treats (55 episodes) as Hamm (Voice)

1995		The Drew Carey Show (1 episode) as Himself
1995		Happily Ever After: Fairy Tales for Every Child (1 episode) as Hinky (voice)

1994		Touched by an Angel (1 episode) as Merl
1994		Sister, Sister (2 episodes)

1993		Frasier (1 episode) as Cliff Clavin
1993		The Detectives (1 episode) as Edsel

1990		Captain Planet and the Planeteers (4 episodes) as Rigger (voice)
1990		Blossom (1 episode)
1990		Wings (1 episode)

1989

(2 episodes) as Cliff Clavin / CGI Homer Simpson (voice)

1983

(1 episode)

1982		St. Elsewhere (1 episode)
1982		Cheers (269 episodes) as Cliff Clavin

1981		Goliath Awaits (2 episodes) as Bill Sweeney
1981		Code Red (1 episode)
1981		Hill Street Blues (1 episode)

1980

(1 episode)

1977

(1 episode) as Staff Sergeant Dexter

1996

(1 episode) … Director

1994		Madman of the People (2 episodes) … Director
1994		Sister, Sister (1 episode) … Director

1990

(1 episode) … Director

1982

(4 episodes) … Director