Character Name : Inspector Gregory

Original Name : Patrick Holt

Gender : Male

Character Name : Howard Rogers

Original Name : Emrys Jones

Gender : Male

Character Name : Ann Rogers

Original Name : Honor Blackman

Gender : Female

Character Name : Det. Sgt Conway

Original Name : Bruce Beeby

Gender : Male

Character Name : Mr. Fisher

Original Name : John Horsley

Gender : Male

Character Name : Bank Manager

Original Name : Robert Perceval

Gender : Male

Character Name : Barman

Original Name : Wally Patch

Gender : Male

Character Name : Fred (as Frank Pettit)

Original Name : Frank Pettitt

Gender : Male

Character Name : Policewoman Scott

Original Name : Benedicta Leigh

Gender : Female

Character Name : Station Booking Clerk

Original Name : Peter Glaze

Gender : Male

Character Name : Landlady

Original Name : Vi Stevens

Gender : Male

Character Name : River Police Sergeant

Original Name : Howard Greene

Gender : Male

Character Name : River Police Constable

Original Name : Raymond Smith

Gender : Male

Character Name : Uniformed Constable

Original Name : Lawrence James

Gender : Male

Character Name : Doctor (as Reggie Hearne)

Original Name : Reginald Hearne

Gender : Male

Character Name : Forensic Chemist

Original Name : Barry Linehan

Gender : Male

Character Name : Norman Cole

Original Name : Gerry Duggan

Gender : Male

Character Name : Plain Clothes Detective

Original Name : Colin Rix

Gender : Male

Character Name : Photographer

Original Name : Bill Mills

Gender : Male

Character Name : Uniformed Policewoman

Original Name : Pat Shaw

Gender : Male

Character Name : PC Barrow (uncredited)

Original Name : John Tatham

Gender : Male