The Silent Witness

Lionel Atwill

Sir Austin Howard

Greta Nissen

Nora Selmer

Helen Mack

Sylvia Pierce

Weldon Heyburn

Carl Blake

Bramwell Fletcher

Anthony Howard

Mary Forbes

Lady Howard

C. Montague Shaw

Inspector Robbins

Wyndham Standing

Sir John Lawson--Barrister

Alan Mowbray

Arthur Drinton

Herbert Mundin

Henry Hammer

Billy Bevan

Horace Ward

Lumsden Hare

Colonel Grayson