Everyone knows him as Boycie from the most popular British sitcom of all time, it won a bbc poll and also attracted a record 24.3 million viewers for a single episode.
And it’s not over, with a Sport Relief sketch being filmed this month with David Beckham.
But in this touring show he also reveals his links to:
The Beatles – he was asked to appear in their Magical Mystery Tour film,
Dr Who and Coronation Street – he appeared in both, and George Best and Oliver Reed – whom he drank with.
Challis will be playing Thwaites Empire, Blackburn, on Thursday, March 27.