Carry On Teacher is the third in the series of Carry On films, with 31 entries. It was released in 1959. It features Ted Ray in his only Carry On role, alongside series regulars; Kenneth Connor, Charles Hawtrey, Kenneth Williams and Hattie Jacques. Leslie Phillips and Joan Sims make their second appearances in the series here, having made their debuts in the previous entry, Carry On Nurse. A young Richard O'Sullivan and a young Larry Dann – making the first of his four Carry on appearances – turn up as pupils.