Peter Sellers he also said that in Sellers's previous films he had "been at his worst recently". In 1969 Sellers starred opposite Ringo Starr in the Joseph McGrath-directed film "The Magic Christian". Sellers portrayed Sir Guy Grand, an eccentric billionaire who plays elaborate practical jokes on people. The critic Irv Slifkin remarked that the film was a reflection of the cynicism of Peter Sellers, describing the film as a "proto-Pythonesque adaption of Terry Southern's semi-free-form short novel", and "one of the strangest films to be shown at a gala premiere for Britain's royal family". The film, a satire on human nature, was
Peter Sellers according to Sellers "a fantastic nightmare, part homosexual, part drug addict, part sadist". Kubrick encouraged Sellers to improvise and stated that he would often reach a "state of comic ecstasy". Kubrick had American jazz producer Norman Granz record portions of the script for Sellers to listen to, so he could study the voice and develop confidence, granting Sellers a free artistic licence. Sellers later claimed that his relationship with Kubrick became one of the most rewarding of his career. Writing in "The Sunday Times", Dilys Powell noted that Sellers gave "a firework performance, funny, malicious, only once for a few