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