On screen
Cast
13 credited performers
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
Artwork unavailable
Griffith Humphreys
Professor Michaels
Artwork unavailable
T. Gordon Blythe
Ali
Artwork unavailable
James Cunningham
Inspector Sweeting
Artwork unavailable
Gilbert Davis
Doctor Cornell
Bernard Brunel
Tobias Lantern
Artwork unavailable
H. St. Barbe West
Sir Rudolph Cantler