Jack Warner
Det. Insp. Fred Fellows
Acting
Yolande Donlan
Jean Sherman
Acting
Michael Goodliffe
Clyde Burchard
Acting
John Le Mesurier
Mr Simpson
Acting
John Barron
Ray Tenby
Acting
Moira Redmond
Joan Simpson
Acting
Christine Bocca
Mrs Simpson
Acting
Brian Oulton
Restlin
Acting
Ray Barrett
Sgt Gorman
Acting
Norman Chappell
Andy Roach
Acting
Joan Newell
Mrs Banks
Acting
Ronald Lewis
Det. Sgt. Jim Wilks
Acting
Peter Ashmore
Mr. Bunnell (uncredited)
Acting
Timothy Bateson
Porter (uncredited)
Acting
Geoffrey Bayldon
Constable at Murder Scene (uncredited)
Acting
Basil Beale
Police Clerk (uncredited)
Acting
Gerald Campion
Glazier (uncredited)
Acting
Reginald Marsh
Hilders (uncredited)
Acting
Fred Ferris
Information Sergeant (uncredited)
Acting
John Horsley
Supt. Ramsey (uncredited)
Acting
Clifford Earl
2nd Press Man (uncredited)
Acting
Charles Houston
Garage Foreman (uncredited)
Acting
Julie Samuel
Lois (uncredited)
Acting
Robert Raglan
Chief Constable (uncredited)
Acting
Graham Skidmore
1st Press Man (uncredited)
Acting
Kevin Stoney
Mr. Gardner (uncredited)
Acting
Charles Lamb
Mr. Peck (uncredited)
Acting
Marianne Stone
Secretary (uncredited)
Acting
Geoffrey Russell
Chief Superintendent (uncredited)
Acting
Mike Moyer
Driver PC Harris (uncredited)
Lighting
Michael McStay
Police Operator (uncredited)
Acting
Graham Payn
Mr. Blake (uncredited)
Acting