Robert Mitchum as Dr. Jeff Cameron

Faith Domergue as Margo Lannington

Claude Rains as Frederick Lannington

Maureen O'Sullivan as Julie Dorn

Charles Kemper as Postville Police Chief

Ralph Dumke as Klauber

Billy House as Bogardus, Postville J.P.

Harry Shannon as Dr. Maynard

Philip Van Zandt as Milo DeLong

Jack Kelly as Dr. James Mullenbach

Lillian West as Mrs. Bogardus

Sherry Jackson as Girl in Iron Lung (uncredited)

Dorothy Abbott as Nurse Clerk (uncredited)

Philip Ahlm as Customs Officer (uncredited)

Carlos Albert as Customs Officer (uncredited)

Marie Allison as Girl (uncredited)

Stanley Andrews as Dr. Matthews (uncredited)

Tol Avery as Honest Ha (uncredited)

William Bailey as Man (uncredited)

Gene Barnes as Tipsy Youth (uncredited)

Phil Boutelje as Pianist (uncredited)

Hazel Boyne as Woman (uncredited)

Clifford Brooke as Lanningtons' Butler (uncredited)

Helen Brown as Nurse (uncredited)

Gordon B. Clarke as Attendant (uncredited)

Bob Coleman as Airport Official (uncredited)

Amilda Cuddy as Hawaiian (uncredited)

Herschel Daugherty as Desk Clerk (uncredited)

Lester Dorr as Postville Deputy (uncredited)

Jimmie Dundee as Taxi Driver (uncredited)

Art Dupuis as Intern (uncredited)

Julia Faye as Nurse Seymour (uncredited)

Gerry Ganzer as Stewardess (uncredited)

Maxine Gates as Girl in Act (uncredited)

William E. Green as Doctor (uncredited)

Florence Hamblin as Hawaiian (uncredited)

Betty Hannon as Girl (uncredited)

Al Haskell as Postville Cowboy (uncredited)

Len Hendry as Policeman (uncredited)

Earle Hodgins as Postville Cowboy (uncredited)

Stuart Holmes as Man (uncredited)

Don House as Policeman (uncredited)

Jerry James as Policeman (uncredited)

Michael Jeffers as Observer at Scene (uncredited)

Marvin Jones as Policeman (uncredited)

Geraldine Jordan as Woman (uncredited)

Jack Kruschen as Cosey - Ambulance Driver (uncredited)

Ethan Laidlaw as Postville Cowboy (uncredited)

Mike Lally as Customs Officer (uncredited)

Linda Leighton as Airport Announcer (uncredited)

Ruth Lewis as Nurse Collins (uncredited)

Frank Leyva as Mexican (uncredited)

Grace MacNaughton as Girl (uncredited)

Allen Mathews as Waiter (uncredited)

Tina Menard as Cashier (uncredited)

Steve Pendleton as Policeman at Roadblock (uncredited)

Joey Ray as Policeman (uncredited)

Elaine Riley as Nurse Bates (uncredited)

Julian Rivero as Pablo (uncredited)

Carl Saxe as Policeman (uncredited)

John Sheehan as Quartz Miner (uncredited)

George Sherwood as Quartz Miner (uncredited)

Carl Sklover as Man (uncredited)

Angela Stevens as Woman (uncredited)

Robert Stevenson as Assistant Clerk (uncredited)

David Stollery as Dickie - Boy Patient (uncredited)

Brick Sullivan as Customs Officer (uncredited)

Ray Teal as Sheriff Joe Borden (uncredited)

Marie Thomas as Stewardess (uncredited)

Ernö Verebes as Waiter (uncredited)

Geraldine Wall as Annie - Nurse (uncredited)

Duke York as Postville Cowboy (uncredited)