Terry Southern of the Monty Python team. Cleese later described McGrath as having "no idea of comedy structure" and complained that the film ended up as "a series of celebrity walk-ons." The film was shot in London between February and May 1969. The cast was headed by Sellers (as Guy Grand) and Ringo Starr as his son Youngman Grand (a new character created for the movie), with cameo appearances by Spike Milligan, Christopher Lee, Laurence Harvey, Raquel Welch, Roman Polanski and Yul Brynner. As with "Dr Strangelove", Sellers habitually improvised on the script during filming. During production McGrath and Southern discussed a
Peter Sellers Sellers was Protestant and Peg was Jewish, Sellers attended the North London Roman Catholic school St. Aloysius College, run by the Brothers of Our Lady of Mercy. The family was not rich, but Peg insisted on an expensive private schooling for her son. According to biographer Peter Evans, Sellers was fascinated, puzzled, and worried by religion from a young age, particularly Catholicism; Roger Lewis believed that soon after entering Catholic school, Sellers "discovered he was a Jew—he was someone on the outside of the mysteries of faith". Later in his life, Sellers observed that while his father's faith was according