Guest Stars Belinda Lang as Mrs Clam Sarah Crowden as Miss Thimble David Sterne as Tom Thomas Robert Daws as CC Lowsley Ivan Kaye as Ted Button Jonathan Rigby voices TV Announcer Patrick Baladi as Lesley Canon Lizzie Back as Moira McDonald Paul Thornley as Clifford Winner Philip Desmeules as Doctor Locard Natalie O'Neill as Sally Ann Jones Caitlin Kaur as Diane Green Meabh Quinn as Clodagh Kilpatrick