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