 | The Little Mermaid Live! (2019)
King Triton (voice) |
 | The Last Laugh (2016)
Self |
 | The Land Before Time XII: The Great Day of the Flyers (2006)
Grandpa / Parasaurlophus (voice) |
 | The Land Before Time: 2 DinoRiffic Adventures (2006)
Grandpa Longneck |
 | Disney Heroes Volume 1 (2005)
Old Gorilla (voice) |
 | The Land Before Time XI: Invasion of the Tinysauruses (2005)
Grandpa (voice) |
 | The Land Before Time X: The Great Longneck Migration (2003)
Grandpa (voice) |
 | The Land Before Time IX: Journey to Big Water (2002)
Grandpa (voice) |
 | The Making of 'The Producers' (2002)
Self |
 | Teddy Bears' Picnic (2002)
Gene Molinari |
 | The Land Before Time VIII: The Big Freeze (2001)
Grandpa / Lambeosaurus (voice) |
 | The Land Before Time VII: The Stone of Cold Fire (2000)
Grandpa (voice) |
 | How to Marry a Billionaire: A Christmas Tale (2000)
|
 | Runaway Virus (2000)
Dr. Arnold Bowman |
 | The Little Mermaid II: Return to the Sea (2000)
King Triton (voice) |
 | The Land Before Time VI: The Secret of Saurus Rock (1998)
Grandpa (voice) |
 | The Land Before Time V: The Mysterious Island (1997)
Grandpa (voice) |
 | Bruno the Kid: The Animated Movie (1997)
Professor Von Trapp (voice) (archive footage) |
 | Citizen Ruth (1996)
Dr. Charlie Rollins |
 | The Land Before Time IV: Journey Through the Mists (1996)
Grandpa (voice) |
 | Making Frankensense of Young Frankenstein (1996)
Inspector Kemp (archive footage) |
 | Rough Magic (1995)
Magician |
 | The Land Before Time III: The Time of the Great Giving (1995)
Grandpa (voice) |
 | The Land Before Time II: The Great Valley Adventure (1994)
Grandpa (voice) |
 | Thumbelina (1994)
King Colbert (voice) |
 | We're Back! A Dinosaur's Story (1993)
Professor Screweyes (voice) |
 | Sex, Shock & Censorship in the 90's (1993)
Reverend Pete |
 | Shadows and Fog (1991)
Magician |
 | Mimi & Me (1991)
Uncle Al |
 | She'll Take Romance (1990)
Smokey |
 | Son of Dinosaurs (1989)
|
 | The Little Mermaid (1989)
King Triton (voice) |
 | Police Academy 6: City Under Siege (1989)
Mayor |
 | Get Smart, Again! (1989)
Cmdr. Drury |
 | Illegally Yours (1988)
Hal B. Keeler |
 | Top Cat and the Beverly Hills Cats (1988)
Director / Dogcatcher (voice) |
 | For Keeps (1988)
Mr. Bobrucz |
 | Rented Lips (1987)
Reverend Farrell |
 | Radio Days (1987)
Rabbi Baumel |
 | The Adventures of the American Rabbit (1986)
Vultor / Walt (voice) |
 | Prince Jack (1985)
Lyndon Johnson |
 | Beer (1985)
A.J. Norbecker |
 | Fletch (1985)
Stanton Boyd |
 | Protocol (1984)
Lou |
 | Yellowbeard (1983)
Mr. Crisp |
 | Group Madness (1983)
Self |
 | The Rules of Marriage (1982)
Red Hewitt |
 | Full Moon High (1981)
The Coach - Principal Cleveland |
 | Before and After (1979)
Ben Fryer |
 | The Apple Dumpling Gang Rides Again (1979)
Woolly Bill Hitchcock |
 | You Can't Take it With You (1979)
Mr. Kolenkhov |
 | Goin' Coconuts (1978)
Kruse |
 | Night Moves (1975)
Nick |
 | Someone I Touched (1975)
Paul Wrightwood |
 | It's a Bird, It's a Plane, It's Superman! (1975)
Max Mencken |
 | Young Frankenstein (1974)
Inspector Kemp |
 | The Parallax View (1974)
Former FBI Agent Will |
 | Hello Mother, Goodbye! (1974)
|
 | Guess Who's Sleeping in My Bed? (1973)
Mitchell Bernard |
 | Steambath (1973)
Broker |
 | What's Up, Doc? (1972)
Hugh Simon |
 | Second Chance (1972)
Dr. Julius Roth |
 | Screwball Comedies... Remember Them? (1972)
Self |
 | Desperate Characters (1971)
Otto Bentwood |
 | Viva Max! (1969)
Dr. Sam Gillison |
 | Butch Cassidy and the Sundance Kid (1969)
Marshal |
 | The April Fools (1969)
Les Hopkins |
 | The Producers (1968)
Franz Liebkind |
 | Act One (1963)
Robert E. Sherwood |
