Générique complet
Sealed Lips
William Gargan
Lee Davis
June Clyde
Lois Grant
John Litel
Mike Rofano / Fred Morton
Anne Nagel
Mrs. Fred (Mary) Morton
Mary Gordon
Mrs. Ann Morton (Fred's mother)
Ralf Harolde
Lips Haggarty
Joseph Crehan
Chief Charles R. Dugan
Addison Richards
Chief Gary Benson
Russell Hicks
Dr. Charles Evans
Edwin Stanley
Warden (as Ed Stanley)
Charles Lane
Attorney Emanuel 'Manny' T. Dixon
William Gould
Dist. Atty. Slater
Walter Sande
Investigator Gene Blake
