The Viper

Claude Hulbert

Cedric Gull

Betty Lynne

Gaby Toulong

Lesley Brook

Jenny

Hal Walters

Stiffy Mason

Fred Groves

Inspector Bradawl

Dino Galvani

The Viper

Boris Ranevsky

Carlos

Harvey Braban

Jagger

Reginald Purdell

Announcer

John Dighton

Screenplay

Roy William Neill

Director

J.O.C. Orton

Screenplay

Irving Asher

Executive Producer

Reginald Purdell

Screenplay

Robert LaPresle

Director of Photography