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