Will Hay

Captain Ben Cutlet

Moore Marriott

Jeremiah Harbottle

Graham Moffatt

Albert

Norma Varden

Olivia Potter-Porter

Kenneth Warrington

Yates

Dennis Wyndham

Maryatt

Amy Veness

Emma Harbottle

Peter Gawthorne

Bit Role (uncredited)

George Merritt

Officer on Yacht

Charles Rolfe

Second Detective