Trailer
Cast
Gilbert Emery
Dr. Manby
Lydia Bilbrook
Mrs. Manby
Frank Baker
Inspector (Uncredited)
Tom McGuire
Barman (Uncredited)
June Duprez
April Manby Carson
Victor Cutler
Pilot (Uncredited)
Miles Mander
Chief Inspector W.R. Allison
Colin Kenny
Inspector (Uncredited)
Lillian Bronson
Hotel Maid (Uncredited)
Florence Wix
Mrs. Kent (Uncredited)
Matthew Boulton
Inspector Graham
John Loder
Reginald Parker / Edward Grey
Michael St. Angel
Lieutenant Bob Carson
Wheaton Chambers
Clerk (Uncredited)
Herbert Evans
Manby's Butler (Uncredited)
Joy Harington
London Waitress (Uncredited)
Gavin Muir
Captain Perry (Uncredited)
Rex Evans
Leslie Shelton
Alec Craig
Vacuuming Bellboy (Uncredited)
Frank Mayo
Policeman (Uncredited)
Rose Hobart
Dorothy Kent
Olaf Hytten
Banks
Ian Wolfe
Lord Mayor Herman Brandon R. Clive