Glenn Ford as John Ripley

Lee Remick as Kelly Sherwood

Stefanie Powers as Toby Sherwood

Roy Poole as Brad

Ned Glass as Popcorn

Anita Loo as Lisa Soong

Patricia Huston as Nancy Ashton

Gilbert Green as Special Agent

Clifton James as Capt. Moreno

Al Avalon as Man Who Picks Up Kelly

William Bryant as Chuck

Dick Crockett as FBI Agent #1

James Lanphier as Landlord

Ross Martin as Red Lynch

Joanne Bahris as Tourist at Fishermans Wharf (uncredited)

James T. Callahan as FBI Agent (uncredited)

Bob Carraher as Police Lieutenant (uncredited)

Mario Cimino as Cook at The Hangout (uncredited)

Fred Coby as FBI Agent (uncredited)

Barbara Collentine as Janie (uncredited)

George DeNormand as Bank Guard (uncredited)

Frederic Downs as Welk (uncredited)

Don Drysdale as Self (uncredited)

Harvey Evans as Dave (uncredited)

Dennis Falt as High School Student (uncredited)

Harold Goodwin as Truck Driver (uncredited)

Claire Griswold as Peggy (uncredited)

Warren Hsieh as Joey Soong (uncredited)

Judee Morton as Louella Hendricks (uncredited)

Helen Jay as Waitress (uncredited)