A police detective suspects that his sister's boyfriend is a murderer.
Dennis Price
Inspector Peter Lawton
Peggy Evans
Joan Lawton
Rex Garner
Sgt. Bill Todd
Philip Saville
Edward "Teddy" King / Jim King
Greta Mayaro
Lena
Arnold Bell
McMann
Leonard Sharp
Old Skip
Nora Gordon
Nanna
Renee Goddard
Lady Branstead
Arthur Lovegrove
Inspector Cobb
