Diretor/a
Roy Rowland
DIRETOR/A
Elenco (na ordem dos créditos)
Margaret O'Brien
Alpha
James Craig
Mike Regan
Marsha Hunt
Katie Mallory
Philip Merivale
Professor Peter Vincent
Henry O'Neill
Professor Joshua Pringle
Donald Meek
Professor Catty
Keenan Wynn
Packy Roost
Alan Napier
Dr. Woodring
Sara Haden
Rhoda Kitterick
Kathleen Lockhart
Mrs. Catty
Walter Fenner
Professor Endicott
Howard Freeman
Professor Richards
Elisabeth Risdon
Mrs. Pringle
Robert Blake
Jerry
Eddie Acuff
Policemanuncredited
Hooper Atchley
Pepiuncredited
Barbara Bedford
Telephone Operatoruncredited
William Bishop
Reporteruncredited
Charles D. Brown
Eduncredited
Naomi Childers
Matronuncredited
Fred Coby
Bit Roleuncredited
Gino Corrado
Man in Nightclubuncredited
Jules Cowles
Man in Hallwayuncredited
Donald Curtis
Mounted Policemanuncredited
Bobby Driscoll
Bobbyuncredited
Mary Elliott
Hat Check Girluncredited
Paul Fung
Chinese Manuncredited
Ava Gardner
Russell Gleason
Mickey Golden
Fighteruncredited
Gloria Grafton
Edward Hearn
Al Hill
Muguncredited
Sai King
Jack Lambert
Lefty Moranuncredited
Nolan Leary
Fight Manageruncredited
George Levine
John Maxwell
Detectiveuncredited
Mike Mazurki
Edward McWade
Old Man in the Parkuncredited
Kay Medford
Barry Norton
Man on Trainuncredited
Robert Emmett O'Connor
Lee Phelps
Gerald Pierce
Delivery Boyuncredited
Bert Roach
Man Eating Spaghettiuncredited
Pauline Starke
Bobby's Motheruncredited
Charles Sullivan
Refereeuncredited
Ray Teal
Guarduncredited
Ray Walker
Traineruncredited
Allen Wood
Tough Kiduncredited
Tom Yuen
Joe Yule
Tenantuncredited
Victor Sen Yung