
Mary Jo Pehl
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Mary Jo Pehl (born February 27, 1960)[1] is an American writer, actress, and comedian. She is best known for her various roles on the television series Mystery Science Theater 3000.
Known for
Credits

Mystery Science Theater 3000: The RiffTrax Experiments — Sting of Death (2026)
as Pearl Forrester

Cinematic Titanic: Rattlers (2012)
as Self

Cinematic Titanic: Blood of the Vampires (2009)
as Self

Cinematic Titanic: The Astral Factor (2016)
as Mary Jo Pehl

Cinematic Titanic: Danger on Tiki Island (2010)
as Self

We Brought Back MST3K (2018)
as Self

Mystery Science Theater 3000: The RiffTrax Experiments — Deathsport (2026)
as Pearl Forrester

Rifftrax Live: Night of the Shorts - SF Sketchfest 2016 (2016)
as Self

RiffTrax Live: MST3K Reunion (2016)
as Self

Cinematic Titanic: Santa Claus Conquers the Martians (2008)
as Herself

Cinematic Titanic: Legacy of Blood (2008)
as Self
Factory Accident Sex (—)
Actor

1st Annual Mystery Science Theater 3000 Summer Blockbuster Review (1997)
as Pearl Forrester

The Rifftrax Yule Log (2018)
as Self

Cinematic Titanic: The Alien Factor (2010)
as Herself

Cinematic Titanic: East Meets Watts (2009)
as Self

Darkstar: Terror at the Edge of Time (2010)
as Captain Beth Ingram / Computer Voice

Cinematic Titanic: The Oozing Skull (2007)
as Self

Cinematic Titanic: The Wasp Woman (2008)
as Self

Cinematic Titanic: War of the Insects (2011)
as Self

Cinematic Titanic: Frankenstein's Castle of Freaks (2008)
as Herself

Cinematic Titanic: Doomsday Machine (2008)
as Self

RiffTrax Live: Summer Shorts Beach Party (2017)
as Self

The Frank (2014)
as Head, Partygoer
Return to Eden Prairie: 25 Years of Mystery Science Theater 3000 (2013)
as Self

The Last Dance: RAW (1999)
as Herself / Pearl Forester

Bridget and Mary Jo's Halloween Safety and Monster Movie Mash-up (2019)
Actor
Poopie! (1995)
Actor





