Acting Jeff Simmons Acting Frank Zappa: Cheaper Than Cheep Self (guitar, vocals) 2025 Zappa Self - Bass (archive footage) 2020 Eat That Question: Frank Zappa in His Own Words Self (archive footage) 2016 Frank Zappa - Freak Jazz, Movie Madness & Another Mothers Self 2014 Frank Zappa: Roxy, 1973 2007 The True Story of Frank Zappa's 200 Motels Self 1988 Agent-readable