A few Prowse roles you might have missed…
A minotaur in a 1972 Doctor Who story.
An android in the 1970’s British kid’s Sci-Fi series The Tomorrow People
An alien monster on Space: 1999 SPOILER! It’s actually a robot.
Jabberwocky (1977) He played two different knights in this.
And one of my personal faves, the personal bodyguard of the lead singer of Disaster Area in The Hitchhiker’s Guide To The Galaxy