Best known as the co-presenter of the children's TV show Blue Peter during the '60s and '70s.
He was an aircraft engine fitter before receiving acting training at the Guildhall School of Music and Drama.
His children's book The Flight of the Magic Clog was published after his exit from Blue Peter.
He and his wife attempted to sail around the world in 1982.
He once appeared on a Blue Peter-themed episode of the game show The Weakest Link, hosted by Anne Robinson.