Mystery Science Theater 3000 | theater | Apollo Theater | Dream Theater | Movie theater | movie theater | American Conservatory Theater | Alvin Ailey American Dance Theater | Guthrie Theater | American Repertory Theater | Pacific Theater of Operations | Home theater PC | Victory Gardens Theater | Theater an der Wien | Hochschule für Musik und Theater München | Cameri Theater | Western Theater of the American Civil War | Theater | Regional theater in the United States | Peoples Improv Theater | Mediterranean Theater of Operations | General Electric Theater | Deutsches Theater | Beit Lessin Theater | Prince Music Theater | Nickelodeon (movie theater) | New Victory Theater | National Theater and Concert Hall, Taipei | Milwaukee Repertory Theater | IO Theater |
Grundy started his career as a performer in improv comedy groups in the Denver, Colorado area such as Chicken Lips, Impulse Theater, and Rattlebrain Theater.