A serial killer terrorizes London. Each victim is found with a telegram signed "The Marquis." There seems to be no other common thread between the victims, and Scotland Yard is baffled. Novelist and amateur sleuth, Paul Temple, is warned to stay away from the case, but he and his glamorous wife Steve can never refuse a good mystery.
as Paul Temple
as Steve Temple
as Sir Graham Forbes
as Bradley
as Inspector Ross
as Storey
as Sakki the Valet
as Roddy Carson
as Slater
as Sir Felix Raybourne
as Servant Abdullah
as Sir Graham's Police Aide
as Sammy Wren
as Rita Cartwright
as Barmaid
as Old 'Em
as Rifle-range Attendant
as Police Sergeant
as Secretary
as Mobile Policeman
as Police Constable
as Pinball Machine Player
