The Mystery of Mr. X

A sophisticated jewel thief tries to prove himself innocent of a string of cop murders.

Cast

Robert Montgomery

Nicholas Revel

Elizabeth Allan

Jane Frensham

Lewis Stone

Police Superintendent Connor

Ralph Forbes

Sir Christopher Marche

Henry Stephenson

Sir Herbert Frensham

Forrester Harvey

Joe Palmer

Ivan F. Simpson

Hutchinson

Leonard Mudie

Mr. X