From The Grindhouse Cinema Database
- Released in 1970
- Production Co: Irving Allen Productions (as an Irving Allen Production)
- Distribution Co: ITC Entertainment Group (1970) (World-wide) (all media)/MGM-EMI (1970) (UK) (theatrical)/National General Pictures (1971) (USA) (theatrical)/Cat-Film Distributions (1972) (Sweden) (theatrical)/Cineriz (1973) (Italy) (theatrical)
- Directed by John Hough
- Written by Ronald Harwood, John Harris (as Mark Hebden), Bryan Forbes
- Starring Mark Lester, Lionel Jeffries, Susan George, Jeremy Kemp, Peter Vaughan, Tony Bonner
- ...with the most breathless chase scene since 'BULLITT'!
- Pins you to the edge of your seat.
- For some boys... playtime can be MURDER!