I was never an huge fan of Peter Sellers's films, but this one works quite well. Incarcerated, he is living the life of Riley with his two cellmates during Her Majesty's pleasure when their erstwhile colleague (a bit more of a substantial part for the engaging Wilfred Hyde-White) dressed as a parson arrives to pay them a spiritual visit. It's at this rendezvous that he informs "Dodger" (PS) of his plan for them to escape from prison just long enough to steal a fortune in diamonds then escape back in - for the perfect alibi! He and his pals "Jelly" (David Lodge) and "Lennie" (Bernard Cribbins) ...