carol hawkins who played sharon in the film and the follow up series the fenn street gang has been in a few carry on films, peter denyer who played dennis played ralph in dear john and now is a dircetor, joan sanderson played in after henry , john alderton played in many programmes with his wife paulie collins, deryck guyler who played potter was in sykes as pc chalky ,jill kerman played mike baldwins girlfriend and peter cleall played in a tunes ad in the 80's with the line a ticket to dottingham please