Mary Jo Pehl: Mary Jo Pehl. Writer: Mystery Science Theater 3000. Mary Jo Pehl was born on 27 February 1960 in Circle Pines, Minnesota, USA. She is a writer and actress, known for Mystery Science Theater 3000 (1988), 1st Annual Mystery Science Theater 3000 Summer Blockbuster Review (1997) and Mystery Science Theater 3000 (2017).
Known For: Mystery Science Theater 3000 (Writer(1992-1999)), 1st Annual Mystery Science Theater 3000 Summer Blockbuster Review (Writer), Mystery Science Theater 3000 (Writer), Mystery Science Theater 3000: The Movie (Writer)