Hugh Beaumont

as Dennis O'Brien

Edward Brophy

as Prof. Frederick Simpson Schicker

Richard Travis

as Police Lt. Bruger

Tom Neal

as Edgar Spadely

Pamela Blake

as Vicki Jason

Virginia Dale

as Claire Underwood

Ralph Sanford

as Larry Dunlap

Paula Drew

as Sheila Jason

Jack Reitzen

as Cole - the Auctioneer

Edward Clark

as Elderly Man at Auction

Richard Monahan

as Henry - the Bartender

Don Garner

as Bud Becker

Tiny Jones

as Woman at Auction