John Ireland as Frank Webster

Dorothy Malone as Connie Adair

Bruce Carlisle as Faber

Iris Adrian as Wilma Belding

Marshall Bradford as Mr. Hillman

Bruno VeSota as Bob Nielson

Byrd Holland as Doctor

Larry Thor as Detective Sergeant

Henry Rowland as Motorist in Park

Dick Pinner as State Trooper

Robin Morse as Gas Station Attendant

Lou Place as Det. Faraday

Harry 'Snub' Pollard as Park Caretaker

Jean Howell as Sally Phillips

Roger Corman as Roadblock State Trooper (uncredited)

Jonathan Haze as Connie's Rescuer (uncredited)

William Woodson as Officer Samuels (uncredited)