After the war, with the goal of joining Moss Empires theatres, he spent years on stage with little success and travelled the UK working seven days a week, doing summer seasons, pantomimes and circuses, where he became renowned for his strong-man act.
In January 1968 Pye Records issued as a single "I'm Backing Britain", supporting the campaign of the same name, written by Tony Hatch and Jackie Trent, and sung by Forsyth.