Christopher Knight
Known For

CSI: Crime Scene Investigation

Watch What Happens Live with Andy Cohen

The Mike Douglas Show

The View

Mannix

That '70s Show

Happy Days

One Day at a Time
All Movies (27)
- Truelove: The Film2023 · as Self
- Blending Christmas2021 · as Brian
- Dragging the Classics: The Brady Bunch2021 · as Peter Brady
- David Mirisch, the Man Behind the Golden Stars2021 · as Self
- Viewer Direction Advised2018 · as Self
- The Last Sharknado: It's About Time2018 · as Grandpa Clarke
- Letting Go2012 · as The Boss
- American Pie Presents: The Book of Love2009 · as Alumnus Guy #3
- Spring Breakdown2009 · as Celebrity Judge
- Fallen Angels2007 · as Belmont
- L.A. Dicks2007 · as Bernie Taylor
- Light Years Away2006 · as David Sommers
- The Brady Bunch 35th Anniversary Reunion Special: Still Brady After All These Years2004 · as Self
- Dickie Roberts: Former Child Star2003 · as Self
- ABC's 50th Anniversary Celebration2003 · as Self
- Nowhere1997 · as Mr. Sighvatssohn
- The Doom Generation1995 · as TV Anchorman
- Brady Bunch Home Movies1995 · as (archival footage)
- The Brady Bunch Movie1995 · as Coach
- Good Girls Don't1993 · as Montana
- Curfew1989 · as Sam
- A Very Brady Christmas1988 · as Peter Brady
- The Brady Girls Get Married1981 · as Peter Brady
- Valentine Magic on Love Island1980 · as Jimmy
- Diary of a Teenage Hitchhiker1979 · as Nick
- Just You and Me, Kid1979 · as Roy
- The World of Sid & Marty Krofft at the Hollywood Bowl1973 · as Brady Bunch Kids, The
All TV Shows (37)
- The Masked Singer2019 · as Mummy
- The Masked Singer2019 · as Mummy (archive footage)
- Hollywood Medium with Tyler Henry2016 · as Self - Guest
- Celebrity Ghost Stories2009 · as Self
- Watch What Happens Live with Andy Cohen2009 · as Self - Guest
- Celebrity Family Feud2008 · as Self
- Dirt2007 · as Self
- Rachael Ray2006
- The Greg Behrendt Show2006
- My Fair Brady2005
- E!'s 1012003 · as Self
- The Surreal Life2003 · as Self
- Less than Perfect2002 · as Waiter
- CSI: Crime Scene Investigation2000 · as Pastor
- That '70s Show1998 · as Josh
- The View1997 · as Self
- E! True Hollywood Story1996
- New York Undercover1994
- The Bradys1990 · as Peter Brady
- Day by Day1988 · as Peter Brady
- Masquerade1983
- The Brady Brides1981 · as Peter Brady
- Joe's World1979 · as Steve Wabash
- CHiPs1977
- The Brady Bunch Hour1977 · as Peter Brady
- Donny & Marie1976 · as Self
- The Bionic Woman1976
- One Day at a Time1975
- Happy Days1974
- ABC Afterschool Special1972 · as Joe
- The Brady Kids1972 · as Peter Brady (voice)
- The ABC Saturday Superstar Movie1972 · as Peter Brady
- The Brady Bunch1969 · as Peter Brady
- Mannix1967
- Another World1964 · as Leigh Hobson
- The Mike Douglas Show1961 · as Self
- Gunsmoke1955 · as Boy