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