Jim Hanvey, Detective

Guy Kibbee

James Woolford 'Jim' Hanvey

Tom Brown

Don Terry

Lucie Kaye

Joan Frost

Catherine Doucet

Adelaide Frost

Edward Gargan

O. R.Smith

エドワード・ブロフィ

Romo

Helen Jerome Eddy

Mrs. Tom Ellis

Theodore von Eltz

Dunn

Kenneth Thomson

W. B. Elwood

Howard Hickman

Herbert Frost

Oscar Apfel

Lambert

Wade Boteler

Davis