Arthur Wontner

Sir Charles Wallington

Gillian Lind

Kate Banting

Gordon Harker

Sam Knudge

Cyril Raymond

Jim Wrench

Jane Welsh

Sonia Wallington

Norah Howard

Gwen Banting

Edmund Gwenn

Banting

Griffith Humphreys

Professor Michaels

T. Gordon Blythe

Ali

James Cunningham

Inspector Sweeting

Gilbert Davis

Doctor Cornell

Bernard Brunel

Tobias Lantern

H. St. Barbe West

Sir Rudolph Cantler

Walter Forde

Director

James Dawson

Guión, Theatre Play

Brock Williams

Guión

Bernard Merivale

Guión

H. Fowler Mear

Guión

George Goodchild

Novela

William Luff

Director de Fotografía

Sydney Blythe

Director de Fotografía

Cyril Stanborough

Still Photographer

Baynham Honri

Sound

Julius Hagen

Productor

Twickenham Film Studios

Compañía de Produccion

Jack Harris

Editor