It Ain't Half Hot Mum to Bombardier after Solly is demobbed and sent back to Britain. The soldiers are under the orders of Battery Sergeant Major "Shut Up" Williams, a belligerent Welshman who has spent almost all of his life as a professional soldier. In turn, Williams reports to the two officers in charge of the Concert Party: Captain Ashwood and Lieutenant-Colonel Reynolds. Both Ashwood and Reynolds are characterised as coming from upper-class backgrounds. Ashwood, the younger officer, is rather stupid and slightly excitable, while Reynolds is older and more worldly-wise and sensible. While often bemoaning the rough conditions of Army life, both Ashwood and
Carry On England Connor played a leading role, but the only other long-time regulars present, Joan Sims and Peter Butterworth, had only small roles. Windsor Davies, who had joined the series with a main role in the preceding film "Carry On Behind", again plays a major role, reprising (in all but name) his Sergeant-Major character from the BBC sitcom "It Ain't Half Hot Mum", along with Melvyn Hayes as his effeminate foil. Other main roles are played by established and recognisable actors Judy Geeson and Patrick Mower, both newcomers to the "Carry On" films. The film was originally certified AA by the then