Greatest height range played by a stuntman

Stuntman Riky Ash (UK), from Nottingham, who stands 1.59 m (5 ft 3 in) tall, has doubled for characters with a height differential of 86 cm (34 in).   He doubled for a boy 1.06 m (3 ft 6 in) tall for the BBC's Out Of The Blue in February 1993 and, a 1.92 m (6 ft 4 in) adult in March 1998, for ITV's Heartbeat. Riky, has been a stuntman since 1993. He has doubled for over 150 characters through an age range of six to 70 years old.