Four men involved in the investigation of a German millionaire at the end of World War II are found murdered with tiny dolls beside their corpses.

Patrick Wymark
as Inspector Holloway

Margaret Johnston
as Mrs. Von Sturm

John Standing
as Mark Von Sturm

Alexander Knox
as Frank Saville

Judy Huxtable
as Louise Saville

Don Borisenko
as Donald Loftis

Thorley Walters
as Martin Roth

Robert Crewdson
as Victor Ledoux

Colin Gordon
as Dr. Glyn

Tim Barrett
as Morgan