Robert Colbert

as Elton Mathews

as Tony

as Harry Fife

as A Future Man (archive footage) (uncredited)

as Parker Ellison

as Farrell

as Doug Phillipps

as Blackie (segment "Amazon Women on the Moon")

as George Kalakua

as Deke Braverman

as Asst. District Attorney F.A. Snell

as Internal Affairs

as Dr. Darryl Rooney

as Undersecretary

as Security Chief O. Bolgar

as Nick, chauffeur

as Cherokee Dan Evans

as Miles Kroeger

as Blane Wessels

as Corporal Howie Burch

as Martin Bennett

as Dr. Ted Benson

as Lt. Col. Frank Bailey

as Capt. Bartolomeo Antonio Fernandez

as Cmdr. Woody Patterson

as Board Doctor

Role: Boom Operator

as Ray Ritter

as Jack Harrison

as Ben Crain

as Phil Lowell

as Thomas J. Morely

as Rip Guyler

as Doug Phillips

as Elmo Taft

as Gary Dawson

as Vern Endicott

as Taverner

as Doug McDougall

as Grant Summers