Acting

2018

1 episode as Self (archive footage)

2007

1 episode as Self

2006		Vivement dimanche 1 episode as Self
2006		LIVE with Kelly and Mark 1 episode
2006		Golden Globe Awards 1 episode as Self - Audience Member

2005		Jimmy Kimmel Live! 1 episode
2005		The Ellen DeGeneres Show 1 episode as Self

2004

1 episode as Self

2003		Wetten, dass..? 1 episode as Self
2003		Late Night with Conan O'Brien 2 episodes as Self - Guest
2003		The View 1 episode as Self

2002

2 episodes as self

2001

2 episodes as Theo Kerr

1999

1 episode as Self

1997

1 episode as self

1992

1 episode as Peter Falk

1990

1 episode as Self

1988

1 episode as Himself - Narrator (voice)

1985

1 episode as Self - Presenter

1984

1 episode as Self

1979

1 episode as Self

1978

1 episode as Self

1977

2 episodes as Self

1976		Les Rendez-vous du dimanche 1 episode as Self
1976		Golden Globe Awards 5 episodes as Self - Nominee
1976		Bambi-Verleihung 2 episodes as Self

1975		Treffpunkte 1 episode as Self
1975		Dinah! 2 episodes as Self

1974		The Mike Douglas Show 5 episodes as Self - Co-Host 3 episodes as Self
1974		The Tonight Show Starring Johnny Carson 1 episode as Self - Surprise Appearance
1974		Tony Awards 1 episode as Self - Host
1974		Golden Globe Awards 1 episode as Self - Nominee/Presenter

1972

2 episodes as Self - Presenter

1971		Columbo 67 episodes as Columbo
1971		The Name of the Game 1 episode as Lewis Corbett

1970

1 episode as Self - Guest

1969

2 episodes as Self

1967

1 episode as Colonel Hush-Hush

1966

1 episode as Mike Galway

1965		The Merv Griffin Show 3 episodes as Self
1965		The Trials of O'Brien 22 episodes as Daniel O'Brien
1965		Bob Hope Presents the Chrysler Theatre 1 episode as Bara

1964		Ben Casey 1 episode
1964		The DuPont Show of the Week 1 episode as Danilo Diaz
1964		The Danny Kaye Show 3 episodes as Self

1963		Jackie Gleason and His American Scene Magazine 1 episode as Cameo 1 episode as Sammy
1963		The Jerry Lewis Show 1 episode as Self
1963		Bob Hope Presents the Chrysler Theatre 1 episode as Bert Graumann
1963		Wagon Train 1 episode as Gus Morgan
1963		Dr. Kildare 1 episode as Dr. Matt Gunderson
1963		The Tonight Show Starring Johnny Carson 9 episodes as Self
1963		The Dick Powell Show 1 episode as Martin

1962		The Alfred Hitchcock Hour 1 episode as Robert Evans
1962		The Dick Powell Show 1 episode as Dr. Alan Keegan 1 episode as Aristede Fresco
1962		The DuPont Show of the Week 1 episode as Collucci
1962		Naked City 1 episode as Frankie O'Hearn
1962		87th Precinct 1 episode as Greg Brovane
1962		The New Breed 1 episode as Lopez

1961		The Twilight Zone 1 episode as Ramos Clementine
1961		The Untouchables 1 episode as Nate Selko
1961		Target: The Corruptors! 1 episode
1961		The Barbara Stanwyck Show 1 episode as Joe
1961		Naked City 1 episode as Lee Staunton
1961		Alfred Hitchcock Presents 1 episode as Meyer Fine
1961		The Aquanauts 1 episode as Angel 1 episode as Jeremiah Wilson
1961		The Law and Mr. Jones 1 episode as Carbell Carney

1960		The Witness 1 episode as Abe Reles
1960		Have Gun, Will Travel 1 episode as Waller - Gambler
1960		The Islanders 1 episode as Hooker
1960		Naked City 1 episode as Gimpy (uncredited)
1960		The Untouchables 1 episode as Duke Mullen
1960		Play of the Week 1 episode

1959		Deadline 1 episode as Box
1959		Play of the Week 1 episode as Mestizo
1959		Omnibus 1 episode as Charlie
1959		Decoy 1 episode as Fred Dana
1959		New York Confidential 1 episode

1958		Naked City 1 episode as Extortionist
1958		Kraft Television Theatre 1 episode as Izzy
1958		Armstrong Circle Theatre 1 episode as Petar Porovic

1957		Studio One 1 episode as Jack 1 episode as Carmen's Assistant
1957		Robert Montgomery Presents 1 episode
1957		Kraft Television Theatre 1 episode as Radar Operator

Writing

1993

1 episode … Writer

Production

1990

14 episodes … Co-Executive Producer

Directing

1972

1 episode … Director