(1975) Mitzi & 100 Guys

as Self

(2004) Broadway's Lost Treasures II

as Fiorello LaGuardia (segment "Fiorello!")

(1968) The Secret War of Harry Frigg

as Gen. Roscoe Pennypacker

(2010) The Back-Up Plan

as Arthur

(2005) The Fallen Ones

as Rabbi Eli Schmitt

(2000) The Tangerine Bear: Home in Time for Christmas!

as Mr. Winkle (voice)

(2008) Charlie & Me

as Charlie

(1987) Pinocchio and the Emperor of the Night

as Geppetto (voice)

(1985) Private Sessions

as Harry O'Reilly

(2005) Confession

as Father Abbot Sutton

(1964) The World of Henry Orient

as Frank Boyd

(1974) Death Cruise

as David Mason

(1987) Million Dollar Mystery

as Sidney Preston

(2004) Christmas at Water's Edge

as Harry

(2003) Broadway: The Golden Age, by the Legends Who Were There

as Self

(1998) Little Bigfoot 2: The Journey Home

as Ranger Tasker

(1971) Mr. and Mrs. Bo Jo Jones

as Mr. Jones

(1979) The Rebels

as Benjamin Franklin

(1972) To Find a Man

as Dr. Katchaturian

(1967) The Bang-Bang Kid

as Meriwether P. Newberry

(1975) Who Is the Black Dahlia?

as Bevo Means

(1974) Mixed Company

as Al

(1984) The Jesse Owens Story

as Jimmy Hoffa

(1990) Fire and Rain

as Derryl Price

(2005) Geppetto's Secret

as Geppetto (voice)

(1974) The Girl Who Came Gift-Wrapped

as Harold

(1980) For the Love of It

as Norman

(1960) The Right Man

as Throttlebottom

(1989) Wicked Stepmother

as Lt. MacIntosh

(2005) Popstar

as Harvey

(1975) The Last Survivors

as Marcus Damian

(1971) A Step Out of Line

as Jack Berger

(1978) The Stingiest Man in Town

as B.A.H. Humbug (voice)

(1969) Marcus Welby, M.D.: A Matter of Humanities

as Tiny Baker

(1978) The Bastard

as Benjamin Franklin

(2009) Santa Buddies

as Santa Paws (voice)

(1987) Fatal Confession: A Father Dowling Mystery

as Father Frank Dowling

(1973) Miracle on 34th Street

as Judge Harper

(1978) With This Ring

as Edward Edwards

(1968) Yours, Mine and Ours

as Family Doctor

(1976) Gus

as Spinner

(1979) The Castaways on Gilligan's Island

as Henry Elliott

(1979) The Triangle Factory Fire Scandal

as Morris Feldman

(1975) The Night That Panicked America

as Norman Smith

(1972) The Streets of San Francisco

as ---

(2004) Felix the Cat Saves Christmas

as Santa Claus (voice)

(1955) Alice in Wonderland

as Knave of Hearts

(1979) Sitcom: The Adventures of Garry Marshall

as Self

(1963) Love with the Proper Stranger

as Anthony Columbo

(2002) Mary Christmas

as Les Turner

(1976) The Love Boat

as George Havlicek

(1990) The Love Boat: A Valentine Voyage

as Lt. Logan

(1972) No Place to Run

as Dr. Golinski

(1979) The Return of Mod Squad

as Frank Webber

(1969) Night Gallery

as Sidney Resnick

(1976) A Special: Olivia Newton-John

as ---

(1982) O'Hara's Wife

as Fred O'Hara

(1979) Black Market Baby

as Dr. Andrew Brantford

(1979) Pat Boone and Family: A Christmas Special

as Self

(1962) Arsenic & Old Lace

as Teddy Brewster

(1986) Perry Mason: The Case of the Notorious Nun

as Father Chris DeLeon

(2004) Weezer: Video Capture Device - Treasures from the Vault 1991-2002

as Howard Cunningham ("Buddy Holly") (voice) (archive footage)

(2001) The Legend of the Candy Cane

as Franklin Holz (voice)

(1990) The Making of 'It's a Wonderful Life'

as Self - Host

(1967) Divorce American Style

as Farley

(1988) Couples Do It Debbie's Way

as ---

(1971) Congratulations, It's a Boy!

as Herb

(1982) Night of 100 Stars

as Self

(1987) Happy 100th Birthday, Hollywood

as Self

(2002) Returning Mickey Stern

as Harry Mankelbaum

(1995) The Drew Carey Show

as Mr. Bobeck

(1984) Murder, She Wrote

as Amos Tupper

(1989) Father Dowling Mysteries

as Father Frank Dowling

(1999) Family Guy

as Howard Cunningham (voice)

(2002) Still Standing

as Dr. S.T. Bloom

(1966) The Girl from U.N.C.L.E.

as Quantum

(1965) The F.B.I.

as John Clanton

(1996) Early Edition

as Uncle Vic

(1960) Route 66

as Dr. Summer Klein

(1979) Tales of the Unexpected

as Ralph Stackpole

(1972) The Streets of San Francisco

as ---

(1993) Walker, Texas Ranger

as Minister

(1958) Naked City

as Judge

(1982) Hotel

as ---

(1974) Happy Days

as Howard Cunningham

(1968) The Mod Squad

as ---

(1969) The Bill Cosby Show

as Cookie Maharg

(1969) Medical Center

as ---

(1964) Bewitched

as ---

(1966) Mission: Impossible

as ---

(1965) Get Smart

as ---

(1951) Hallmark Hall of Fame

as Knave of Hearts

(1972) Me and the Chimp

as ---

(1972) The Sandy Duncan Show

as ---

(1972) Temperatures Rising

as Gibson

(1999) Family Law

as Kyle Mason

(1972) Banyon

as ---

(1980) Here's Boomer

as ---

(1972) Wait Till Your Father Gets Home

as Harry Boyle (voice)

(1969) The Debbie Reynolds Show

as Bob Landers

(1964) Profiles in Courage

as Senator George W. Norris

(1972) The Paul Lynde Show

as Congressman Landis

(1972) The Sixth Sense

as ---

(1970) Night Gallery

as Jules Kettleman (segment "Make Me Laugh")

(1961) Ben Casey

as ---

(1971) Vanished

as Johnny Cavanaugh

(1961) Dr. Kildare

as Harry Markham

(1961) The Defenders

as Charlie Barry

(1966) Jericho

as ---

(1976) The Captain and Tennille

as Self

(2004) Living in TV Land

as ---

(1960) Route 66

as Jim Horst

(1959) Bonanza

as Hiram Peabody

(1969) Love, American Style

as Jack Smallerd

(1994) ER

as Walter Nikolaides

(1977) The Love Boat

as Howard Pfister

(1969) Love, American Style

as Alan Walker

(1956) Tony Awards

as Self - Presenter

(1959) Bonanza

as Titus Simpson

(1977) That's Hollywood

as Narrator

(1951) Hallmark Hall of Fame

as Teddy Brewster

(1972) The Streets of San Francisco

as Eddie Clark

(1994) Burke's Law

as Dr. Burke

(1984) Finder of Lost Loves

as Malcolm Beck

(1972) Maude

as Dr. Tasko

(1956) Tony Awards

as Self - Performer

(1977) The Love Boat

as Harry Meacham

(2003) One Tree Hill

as Mel McFadden

(1971) McMillan & Wife

as Sam Hamilton

(1968) The Name of the Game

as Charlie Reid

(1971) Sarge

as Stanley Miller

(1969) Love, American Style

as Dr. Y.A. Harris

(1994) Touched by an Angel

as Elmer

(1969) Love, American Style

as Harry Boyle (voice)

(1974) Dinah!

as Self

(1975) Ellery Queen

as Bud Armstrong

(1971) Great Performances

as Self - Host

(1998) That '70s Show

as Dr. Hammond

(1977) The Love Boat

as George Hammond

(1956) Tony Awards

as Self (archive footage)

(1974) Kolchak: The Night Stalker

as Jack Flaherty

(1971) Funny Face

as Used Car Dealer

(1982) Hotel

as Walter Devlin

(1992) Vicki!

as Self

(1993) Boy Meets World

as Tom Bosley

(1977) Testimony of Two Men

as Dr. Louis Hedler/Narrator

(1956) Tony Awards

as Self - Winner