- Writer:
- Richard Wade
- Based on a novel by:
- Edgar Wallace
- Based on a play by:
- Ian Hay
- Lyric "Any Time":
- Robert Gould
- Music "Any Time":
- Dolores Claman
- Designer:
- Stewart Marshall
- Producer:
- Rudolph Cartier
- A Tramp:
- John N. Gordon
- Police Sergeant Elk:
- Wilfred Pickles
- Richard Gordon, Deputy Director of Prosecutions:
- Donald Sinden
- Stella Bennett:
- Jennifer Browne
- John Bennett:
- John Longden
- Philo Johnson:
- Cyril Shaps
- Lola Bassano:
- Gillian Lynne
- Spike Brady, her husband:
- Thomas Gallagher
- Hagen, manager of Heron's Club:
- Donald Morley
- Joshua Broad, a mysterious American:
- Redmond Phillips
- Ray Bennett:
- John Stratton
- Ezra Maitland:
- Paul Curran
- Strip-tease artist:
- Mary Deigham
- Waiter:
- Frank Williams
- Police Constable Balder:
- Victor Platt
- First Police Constable:
- Jeremy Kemp
- Second Police Constable:
- Edwin Brown
- Third Police Constable:
- Michael Caine
- Prison Chaplain:
- David Davies
- Prison Governor:
- James Raglan
- Police officers, night-club guests, cloakroom girl, prison warders, etc:
- null [uncredited]
