Jane Wyman (Jennifer Smith)
Dennis Morgan (Bill Craig)
Eve Arden (Susan Wayne)
Robert Douglas (John Tyson)
Allyn Joslyn (Ralph Whitcomb)
George Spaulding (Adm. Morell)
Olan Soule (Secretary)
Walter Shumway (Dr. Coombs)
Dick Ryan (Apartment House Clerk)
Emil Rameau (Dr. Mittenwald)
Tom Stevenson (Institute Guide)
Josephine Whittell
John Morgan
Wendy Lee (Telephone Operator)
Ray Erlenborn (Photographer)
Phyllis Godfrey (Hilda)
Jack Lee (Capt. Cutter)
Kenneth Patterson (Reporter)
Ray Montgomery (Lab Man)
Jack Boyle (Interne)
Frank Cady (Mr. Crane)
Harry V. Cheshire (Judge Vardon)
Russ Conway (Constables)
Luther Crockett (Doctor)
John Halloran (Homer Benton)
Len Hendry
Hallene Hill (Flower Woman)
Leslie Kimmell (Conrad Updike)
Robert Malcolm (Chief of Police)
Joe McTurk (Waiter)
Ruth Lee (Miss Brand)
John McGuire (Coast Guard Officer)
Ruth Lewis (Miss Clark)
Charles Meredith (Dr. McKewen)
Craig Stevens (Danvers)
Stanley Prager (Taxi Driver)
Kenneth Britton (Davis)
Tom Tully (Henry Duckworth)
Lina Romay (Racquel Riviera)
Fred Clark (Victor Santell)
William Frawley (Oliver Harker)