Elenco (na ordem dos créditos)
Harold Warrender
Lord Peter Wimsey
Ruth Lodge
Harriet Vane
Ronald Adam
Bunter
Nellie Bowman
Mrs. Ruddle
Patric Curwen
Reverend Simon Goodacre
Brown Derby
Superintendent Kirk
Fred Essex
Puffett
David Garth
Constable Sellon
Joan Hickson
Miss Twitterton
Kevin Sheldon
Bill
Lewis Stringer
Frank Crutchley
Sydney Tafler
Mr. MacBride