(1970) Little Big Man

as Gen. George Armstrong Custer

(1979) Scavenger Hunt

as Marvin Dummitz

(1984) Teachers

as Herbert Gower

(1985) The Heavenly Kid

as Rafferty

(1988) Oliver & Company

as Einstein (voice)

(1972) Harvey

as Dr. Lyman Sanderson

(1986) Babes in Toyland

as Barnie / Barnaby Barnicle

(1981) S.O.B.

as Felix Farmer

(1982) Trail of the Pink Panther

as Clouseau's Father

(1984) Micki + Maude

as Leo Brody

(1986) A Fine Mess

as Wayne "Turnip" Parragella

(1969) The Undefeated

as Dan Morse

(1985) Doin' Time

as Mongo Mitchell

(1996) London Suite

as Dennis Cummings

(1986) The Deacon Street Deer

as Shorty

(1964) One Potato, Two Potato

as Joe Cullen

(1990) Guess Who's Coming for Christmas?

as George Walters

(1987) Poker Alice

as Sears

(1984) Jealousy

as Merrill Forsyth

(1974) Visit to a Chief's Son

as Robert

(1962) 40 Pounds of Trouble

as Bellboy

(1966) The Group

as Dick Brown

(1984) Meatballs: Part II

as Giddy

(1976) The Big Bus

as Claude Crane

(1973) Shock-A-Bye Baby

as ---

(1963) Love with the Proper Stranger

as Louie (uncredited)

(1970) Arthur Penn: The Director

as Self

(1973) From the Mixed-Up Files of Mrs. Basil E. Frankweiler

as Mr. Kincaid

(1997) Dog's Best Friend

as Fred

(1972) The Irish Whiskey Rebellion

as Paul Lachaise- Alcoholic Actor

(1983) Malibu

as Charlie Wigham

(1978) Having Babies III

as Jim Wexler

(1973) Pueblo

as CWO G.H. Lacy

(1979) The Muppets Go Hollywood

as Self

(1974) Little House on the Prairie

as ---

(1977) The Love Boat

as Ron Larsen

(1985) The Golden Girls

as Harry Weston

(1985) The Twilight Zone

as ---

(1960) Route 66

as ---

(1977) Soap

as Burt Campbell

(1976) Charlie's Angels

as Kevin St. Clair

(1967) Mannix

as Dr. Bob Adams

(1988) Empty Nest

as Dr. Harry Weston

(1997) The Angry Beavers

as ---

(1955) Gunsmoke

as Jud Pryor

(1977) Dog and Cat

as ---

(1951) Hallmark Hall of Fame

as Dr. Lyman Sanderson

(1975) Doctors' Hospital

as ---

(1975) Switch

as Andy Rowen

(1977) Kingston: Confidential

as ---

(1966) The Rat Patrol

as Major Lansing

(1976) Spencer's Pilots

as ---

(1975) Medical Story

as ---

(1979) Sweepstakes

as ---

(1973) Diana

as Jeff Harmon

(1976) Gibbsville

as ---

(1966) Hero

as Sam Garret

(1976) The McLean Stevenson Show

as ---

(1972) Ghost Story

as Tom

(1977) Hunter

as ---

(1983) Reggie

as Reggie Potter

(1987) J.J. Starbuck

as ---

(1975) Matt Helm

as Jack Harte

(1988) Lincoln

as William H. Seward

(1961) The Mike Douglas Show

as Self

(1993) The John Larroquette Show

as Richard Hemingway

(1977) The Love Boat

as Mark Littlejohn

(1969) Love, American Style

as George

(1965) I Dream of Jeannie

as Wingate

(1959) Bonanza

as Dr. Mark Sloan

(1975) Kate McShane

as Detective Shockley