Otto Kruger
Dr. David Stanley Norton
?
Leonora Corbett
Helen Pryor
Francis Lister
Dr. Henry Pryor
Aileen Marson
Vera Kennedy
?
Eric Stanley
Sir George, Medical Council Prosecutor
Lawrence Anderson
Norton's Defense Representative
?
Hubert Harben
Medical Council President
Hartley Power
District Attorney Garrett Gale
?
Charles Mortimer
Det. Inspector Frederick Webster
James Carew
Lingard, the butler