Credits

• 2009 · Ruby & The Rockits as David Gallagher
• 2008 · The Doctors as Self
• 2007 · I Could Never Be Your Woman as Self (archive footage) (uncredited)
• 2006 · Legends as Self
• 2005 · Popstar as Grant
• 2004 · The Paul O'Grady Show as Self
• 2003 · I Love the '70s as Self
• 2002 · Less than Perfect as Vince
• 2002 · Kim Possible as Roland Pond (voice)
• 2002 · V Graham Norton as Self
• 2000 · CSI: Crime Scene Investigation as Peter Coe
• 2000 · Malcolm in the Middle as Boone Vincent
• 1999 · Where Are They Now? as Self
• 1999 · The Late Late Show with Craig Kilborn as Self
• 1996 · E! True Hollywood Story as Self
• 1996 · The Rosie O'Donnell Show as Self
• 1993 · The John Larroquette Show as Jefferson Kelly
• 1992 · The Ben Stiller Show as David Cassidy
• 1991 · Pebble Mill as Self
• 1991 · Tom Arnold: The Naked Truth as Self
• 1991 · Voices That Care as Self - Choir Member
• 1990 · The Spirit of '76 as Adam-11
• 1990 · The Flash as Sam Scudder
• 1990 · Blossom as David Cassidy
• 1990 · Instant Karma as Reno
• 1988 · This Morning as Self
• 1985 · The New Alfred Hitchcock Presents as Joey Mitchell
• 1982 · Matt Houston as John Gordon Boyd
• 1982 · Wogan as Self
• 1982 · The Kenny Everett Television Show as Self
• 1980 · The Night the City Screamed as David Greeley
• 1979 · Tales of the Unexpected as Donald / David
• 1978 · David Cassidy: Man Under Cover as Officer Dan Shay
• 1977 · The Love Boat as Ted Harmes
• 1975 · Système 2 as Self
• 1973 · Police Story as Officer Dan Shay
• 1972 · Musikladen as Self
• 1972 · Pebble Mill at One as
• 1971 · Disco as Self
• 1970 · The Partridge Family as Keith Douglas Partridge
• 1969 · Marcus Welby, M.D. as Michael Ambrose
• 1969 · The Glen Campbell Goodtime Hour as Self
• 1968 · The Mod Squad as Brad Johnson
• 1968 · Adam-12 as Tim
• 1967 · Ironside as Danny Goodson
• 1965 · The F.B.I. as Larry Wentworth
• 1959 · Bonanza as Billy Burgess
• 1956 · Tony Awards as Self - Presenter
• 1950 · The Bob Hope Show as Self