Buster Crabbe

as Sheriff Kowalski

as Capt. Tom Andrews

as Mike Clayman

as Col. Buck Rogers

as Barton

as Mike Kalavich

as Ray Gorman

as Dr. Robert Hammond, aka Junga

as Flash Gordon

as Buck Rogers

as Flash Gordon

as Andrew Sleete (as Larry Crabbe)

as Flash Gordon

as Bob Murchison (as Larry 'Buster' Crabbe)

as Don Jackson (as Larry 'Buster' Crabbe)

as Bill Hayden

as Tarzan