Cast & creator
Frank Conniff
Best known for Sabrina, the Teenage Witch, Sabrina, the Teenage Witch, Sabrina, the Teenage Witch
Frank Conniff Jr. (born August 30, 1956) is an American writer, actor, comedian and producer, best known for his portrayal of TV's Frank on Mystery Science Theater 3000 (MST3K). He is the son of journalist and editor Frank Conniff.
45
film credits
16
television credits
33
1989–2026 · acting roles
7.4
average across scored titles
Signature credits
Known for
Across film & television
Filmography (61)
Showing 61 of 61 credits
Sabrina, the Teenage Witch
Big Rudy
1996Sabrina, the Teenage Witch
Prince Randy
1996Sabrina, the Teenage Witch
Writer
1996
Mystery Science Theater 3000
TV's Frank
1989Mystery Science Theater 3000
Writer
1989
101 Dalmatians: The Series
Writer
1997
Invader ZIM
Writer
2001
Hidden America with Jonah Ray
Self
2016
The Mads are Back
Himself
2020The Mads are Back
Writer
2020The Mads are Back
Creator
2020
God Bless America
Stan Kurtz
2012
Make Me Laugh
Comedian
1997
Cinematic Titanic
Frank Conniff
2007Cinematic Titanic
Writer
2007O2Be
2002
Mystery Science Theater 3000: The RiffTrax Experiments
TV's Frank
2026
Monty Python's Best Bits Celebrated
Self
2021
Mystery Science Theater 3000: The Movie
Writer
1996Statical Planets
King & The Frank Army
1997
Greenboy: Prescription for Death
Executive Producer
2013Greenboy: Prescription for Death
Writer
2013
Margot Rourke & The Boys Club
Peppers Fontaine
2013
RiffTrax Live: Day of the Shorts: SF Sketchfest 2019
Self
2019RiffTrax Live: Day of the Shorts: SF Sketchfest 2019
Writer
2019
RiffTrax Live: Summer Shorts Beach Party
Writer
2017
Cinematic Titanic: Blood of the Vampires
Self
2009Cinematic Titanic: Blood of the Vampires
Writer
2009
Cocktails & Dreams
Writer
2015
RiffTrax Live: MST3K Reunion
Self
2016RiffTrax Live: MST3K Reunion
Writer
2016Three Little Pigs
Writer
1997
Cinematic Titanic: The Oozing Skull
Self
2007Cinematic Titanic: The Oozing Skull
Writer
2007
The Bateman Lectures on Depression
2018
Darkstar: Terror at the Edge of Time
Alan Burk / Voice of SIMON
2010
Cinematic Titanic: Frankenstein's Castle of Freaks
Himself
2008Cinematic Titanic: Frankenstein's Castle of Freaks
Writer
2008
Cinematic Titanic: War of the Insects
Self
2011Cinematic Titanic: War of the Insects
Writer
2011
Cinematic Titanic: Doomsday Machine
Self
2008Cinematic Titanic: Doomsday Machine
Writer
2008
Cinematic Titanic: The Alien Factor
Himself
2010Cinematic Titanic: The Alien Factor
Writer
2010
Cinematic Titanic: Santa Claus Conquers the Martians
Himself
2008Cinematic Titanic: Santa Claus Conquers the Martians
Writer
2008
Cinematic Titanic: Danger on Tiki Island
Self
2010Cinematic Titanic: Danger on Tiki Island
Writer
2010
Cinematic Titanic: The Astral Factor
Frank Conniff
2016Cinematic Titanic: The Astral Factor
Writer
2016
Cinematic Titanic: Legacy of Blood
Self
2008Cinematic Titanic: Legacy of Blood
Writer
2008
Cinematic Titanic: Rattlers
Self
2012Cinematic Titanic: Rattlers
Writer
2012
Cinematic Titanic: East Meets Watts
Self
2009Cinematic Titanic: East Meets Watts
Writer
2009
Cinematic Titanic: The Wasp Woman
Self
2008Cinematic Titanic: The Wasp Woman
Writer
2008
This Is MST3K
Self
1992
The Frank
Frank
2014