Patrick Barr
Det. Insp. Alan Wembury
Acting
Alexander Knox
Dr Anthony Lomond
Acting
Wilfrid Lawson
Maurice Meister
Acting
Sonnie Hale
Samuel Cuthbert 'Sam' Hackett
Acting
Louise Henry
Cora Ann Milton
Acting
John Longden
Inspector Bliss
Acting
Patricia Roc
Mary Lenley
Acting
Peter Croft
John Lenley
Acting
Arthur Hambling
Det. Sgt. Richards
Acting
George Merritt
Police Station Sergeant
Acting
John Turnbull
Prison Governor
Acting
Charles Eaton
Col. Walford
Acting
Cameron Hall
Drunken Scotsman (uncredited)
Acting