Ralph Byrd
Dr. Jerry Sheehan
Acting
Herbert Rawlinson
Sir James Blake
Acting
Joan Barclay
Hope Mason
Acting
Lloyd Hughes
Dr. Marshall, 'The Scorpion'
Acting
Dickie Jones
Bobby Mason
Acting
Lucille Lund
Duchess
Acting
Nick Stuart
Julot
Acting
Sam Flint
Chief Insp. Henderson
Acting
Gail Newbury
Mimi the Policewoman
Acting
Jimmy Aubrey
The Hag / Baron Polinka
Acting
Theodore Lorch
Daggett, the Butler
Acting
George DeNormand
Henchman Pedro
Acting
Bob Terry
Henchman Peyton
Acting
William Farrel
Count Basil Segaloff
Acting
Frank Wayne
Charles, the Footman
Acting