cast
-
Patrick Holt
Inspector Gregory
-
Emrys Jones
Howard Rogers
-
Honor Blackman
Ann Rogers
- Bruce Beeby Det. Sgt Conway
-
John Horsley
Mr. Fisher
- Robert Perceval Bank Manager
-
Wally Patch
Barman
- Frank Pettitt Fred (as Frank Pettit)
- Benedicta Leigh Policewoman Scott
-
Peter Glaze
Station Booking Clerk
- Vi Stevens Landlady
- Howard Greene River Police Sergeant
- Raymond Smith River Police Constable
- Lawrence James Uniformed Constable
- Reginald Hearne Doctor (as Reggie Hearne)
-
Barry Linehan
Forensic Chemist
-
Gerry Duggan
Norman Cole
- Colin Rix Plain Clothes Detective
- Bill Mills Photographer
- Pat Shaw Uniformed Policewoman
- John Tatham PC Barrow (uncredited)