A British policeman (John Gregson) tries to find a rich man's (Alec Clunes) son before a kidnapper's (Robert Shaw) time bomb blows.
as Inspector Parnell
as Anthony Chester
as Marlowe
as Robbie
as Maggie Parnell
as Freddie Maddox
as Smiley
as Assistant Commissioner Bewley
as Sergeant Grey
as Police Doctor
as Brain Specialist
as Masie Maddox
as Jonathan Chester
as Mr. Tamplin
as Mr. Briggs
as Christopher Parnell
as Sgt. Henry
as Desk Sergeant
as Desk Sergeant
as Constable Jackson
as Inspector