Jack Warner
PC George Dixon
Jimmy Hanley
PC Andy Mitchell
Robert Flemyng
Detective Sgt. Roberts
Bernard Lee
Divisional Detective Inspector Cherry
Bruce Seton
PC 'Jock' Campbell
Meredith Edwards
PC 'Taff' Hughes
Clive Morton
Police Sgt. Brooks
Gladys Henson
Mrs. Em Dixon
Tessie O'Shea
Self - Singer
John Adams
PC at Darts Match
Muriel Aked
Mrs. Beryl Waterboume
Arnold Bell
Hospital Doctor
Michael Corcoran
Detective
Betty Ann Davies
Mary Bertha Lewis
Rowland Douglas
Cinema doorman
Michael Golden
Mike Randall
Eric Henderson
Police Constable
Charles Houston
Man in Identity Parade
Gerry Judge
Driver in First Crashed Car Sequence
Sam Kydd
Bookmakers Assistant at White City
Arthur Lovegrove
Man Being Fingerprinted
William Mervyn
Chief Inspector Hammond
Arthur Mullard
PC at Darts Game
Richard Neller
Man in Crowd
Rosemary Nicols
Cockney Urchin
Joe Phelps
Man in Crowd / Police Constable
Paul Phillips
Man in Street
Sidney Pointer
Supt. Harwood
Arthur Rigby
Policeman at Station
Arthur Sandifer
Man in Street
Stuart Saunders
White City Security Officer
Charles Saynor
PC Wal Tovey
Norman Shelley
F.P. Jordan
Campbell Singer
Station Sergeant
Anthony Steel
Police Constable
Gwynne Whitby
Police Sgt. Grace Millard
Doris Yorke
Cinema Cashier
US release: 1st June 1950
United States release: 1st June 1950
Denmark release: 12th July 1950
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