Frederick Treves

Lord Cranthorne

Emperor

Col. Forbes-Jones

Lord Quillington

Gerard Sefton

Colonel

Worplesden

Henry Parker

Colonel Lacey

Dean of Lonsdale College

Henry Alsop

Henry

Thomas Leighton

Chief Police Inspector

Alderman

Bank Manager

Lord Hulton

Admiral Sir Michael Culme-Seymour

Harry

Sir Christopher Japhet

Beemax

Mr. Menant

Geoffrey Hainton

Sir Walter Crediton

Chief

Dr. Henry Fane

Alec Lampitt

Prison Governor

Lieutenant Brotadac

Dawson

Lechat

Radio Announcer (voice) (uncredited)