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.

KNOWN FOR

Sabrina, the Teenage Witch
1996
Mystery Science Theater 3000
1990
101 Dalmatians: The Series
1997
Invader ZIM
2001
Hidden America with Jonah Ray
2016
The Mads are Back
2020
God Bless America
2012
Make Me Laugh
1997
Cinematic Titanic
2007
Mystery Science Theater 3000: The RiffTrax Experiments
2026
O2Be
2002
Mystery Science Theater 3000: The Movie
1996

FILMOGRAPHY

All
Movies
TV
Acting
33
Writing
26
Producing
1
2026
Mystery Science Theater 3000: The RiffTrax Experiments
as TV's Frank · unreleased
2021
Monty Python's Best Bits Celebrated
as Self
2020
The Mads are Back
as Himself
2019
RiffTrax Live: Day of the Shorts: SF Sketchfest 2019
as Self
2018
The Bateman Lectures on Depression
2016
RiffTrax Live: MST3K Reunion
as Self
2016
Cinematic Titanic: The Astral Factor
as Frank Conniff
2016
Hidden America with Jonah Ray
as Self
2014
The Frank
as Frank
2013
Margot Rourke & The Boys Club
as Peppers Fontaine
2012
Cinematic Titanic: Rattlers
as Self
2012
God Bless America
as Stan Kurtz
2011
Cinematic Titanic: War of the Insects
as Self
2010
Cinematic Titanic: Danger on Tiki Island
as Self
2010
Cinematic Titanic: The Alien Factor
as Himself
2010
Darkstar: Terror at the Edge of Time
as Alan Burk / Voice of SIMON
2009
Cinematic Titanic: Blood of the Vampires
as Self
2009
Cinematic Titanic: East Meets Watts
as Self
2008
Cinematic Titanic: The Wasp Woman
as Self
2008
Cinematic Titanic: Legacy of Blood
as Self
2008
Cinematic Titanic: Frankenstein's Castle of Freaks
as Himself
2008
Cinematic Titanic: Santa Claus Conquers the Martians
as Himself
2008
Cinematic Titanic: Doomsday Machine
as Self
2007
Cinematic Titanic: The Oozing Skull
as Self
2007
Cinematic Titanic
as Frank Conniff
2002
O2Be
1997
Statical Planets
as King & The Frank Army
1997
Sabrina, the Teenage Witch
as Prince Randy
1997
Make Me Laugh
as Comedian
1996
Sabrina, the Teenage Witch
as Big Rudy
1995
Poopie!
1992
This Is MST3K
as Self
1990
Mystery Science Theater 3000
as TV's Frank