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