- Country: UK
- Genres: Crime, Thriller
- Release: 1976-07-03
- Director: N/A
- Writers: Kenneth Royce
- Language: English
- Stars: Stephen Yardley , Don Henderson , Vivienne McKee , Dennis Blanch , Mark Dignam , Oliver Maguire , Johnny Shannon , Fiona Curzon , William Squire , Brian Croucher
- Runtime: 60 min
- Awards: N/A
- AKA: Οι αδίστακτοι (Greece) , The XYY Man , The XYY Man (United Kingdom) , The XYY Man (Japan)
- Plot: William "Spider" Scott (Stephen Yardley) has a spare "Y" chromosome in his cell structure, which makes him very tall but also gives him a compulsion to steal. He is in retirement after a career in crime as a cat burglar, but is enticed back to work for the British Secret Service by the shady Fairfax.
- IMDB:tt0075601
The XYY Man Cast · · · ALL
Brian Croucher
Reisen
Don Henderson
George Bulman
Dennis Blanch
Derek Wills
Mark Dignam
Fairfax
Stephen Yardley
Willy 'Spider' Scott
Oliver Maguire
William Squire
Pamela Cundell