Générique complet
Mystery Broadcast
Ruth Terry
Jan Cornell
Frank Albertson
Michael Jerome
Mary Treen
Smitty
Nils Asther
Ricky Moreno
Wynne Gibson
Eve Stanley
Paul Harvey
Arthur J. Stanley
Addison Richards
Bill Burton
Joseph Crehan
Chief Daniels
Alice Fleming
Mida Kent
Francis Pierlot
Crunch
Ken Carpenter
Radio Announcer
Emmett Vogan
Don Fletcher
Edna Harris
Waitress (uncredited)
Ernie Adams
Radio Writer in Cafe (uncredited)
Fred Aldrich
Policeman (uncredited)
Kirk Alyn
Young Policeman (uncredited)
George Byron
Radio Actor (uncredited)
Edmund Cobb
Detective (uncredited)
Maxine Doyle
Telephone Operator (uncredited)
Jack Gardner
Radio Technician (uncredited)
Charles Hayes
Dugan (uncredited)
Dorothy Lawrence
Radio Actress (uncredited)
Larry Stewart
Associate Producer (uncredited)
Walter Tetley
Page Boy (uncredited)
Cecil Weston
Carrie (uncredited)
