Ralph Humphrey
 | Zappa (2020) Self (archive footage) |
 | Eat That Question: Frank Zappa in His Own Words (2016) Self (archive footage) |
 | Frank Zappa & The Mothers: Roxy: The Movie (2015) Himself |
 | Cheepnis (2014) Himself |
 | The Drummers of Frank Zappa Roundtable Discussion and Performance (2010) Self |
 | Classic Albums: Frank Zappa - Apostrophe (') Over-Nite Sensation (2007) Self |
 | Frank Zappa: Roxy, 1973 (2007) |
 | Frank Zappa: Opopoppa Stockholm, Sweden (1973) |