Chester Morris
Horatio 'Boston Blackie' Black
Acting
June Vincent
Doris Howell
Acting
Richard Lane
Insp. William R. Farraday
Acting
Patricia Barry
Joan Howell (as Patricia White)
Acting
George E. Stone
The Runt
Acting
Frank Sully
Sgt. Matthews
Acting
Edward Norris
Igor Borio
Acting
Fay Baker
Margie O'Reilly, alias Sandra Doray
Acting
William Forrest
Mason Carter
Acting
Sarah Selby
Claire Carter
Acting
Mary Currier
Helen Kenyon
Acting
Bess Flowers
Party guest
Acting