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