The Hidden Master

John Nesbitt

Self - Narrator (voice)

Peter Cushing

Robert Clive of India

Dorothy Granger

Mrs. Jones (uncredited)

Louis Jean Heydt

Harry Jones (uncredited)

Richard Nichols

Harry Jones' Son (uncredited)

Emmett Vogan

Dr. William Roentgen (uncredited)

Sammy Lee

Réalisation

Doane R. Hoag

Scénario