Cast
Geoffrey Keen
Morgan Williams
André Morell
Supt. Folland
Jack McNaughton
Benson - Scotland Yard man
Julian Somers
Scottish Police Sergeant (uncredited)
John Harvey
Scotland Yard Man
Bruce Seton
(uncredited)
Michael Ward
Music Club member (uncredited)
Alfie Bass
Albert Brewer (uncredited)
Peter Jones
Announcer at Music Club (uncredited)
Anthony Bushell
Maj. Elliott
Laurence Naismith
Reginald Gordon-Wells
Sam Kydd
Sam - Printer (uncredited)
Kenneth Griffith
Jimmy Ellis
Dora Bryan
Mrs. Bowers
Harry Locke
Andy - Telephone engineer (uncredited)
Marianne Stone
Alfie's Mother (uncredited)
Dandy Nichols
Woman scrubbing porch step (uncredited)
Moultrie Kelsall
Ship's Captain (uncredited)
Julien Mitchell
Mr Philips - Union Rep (uncredited)
Ian Wilson
Glass collector (uncredited)
Mary Morris
Anna Braun
Everley Gregg
Mrs Finch-Harvey - Music Club member (uncredited)
Douglas Ives
Mr Mathews - Union Rep (uncredited)
Anthony Nicholls
Grant Mansfield
John Bailey
Stringer
Julian Amyes
Slater
Glyn Houston
Railway shunter (uncredited)
Lockwood West
Home Secretary (uncredited)
Victor Maddern
Anarchist (uncredited)
Liam Redmond
Cmdr. Robert Brennan
Harry Fowler
Street photographer (uncredited)
Patric Doonan
George Ellis
Charles Lloyd Pack
Percy Ward
Jean Anderson
Woman in street (uncredited)
Joan Hickson
Mrs. Ellis
Richard Massingham
Music Society member (uncredited)