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 band Joe Daniels and his Hot Shots. Daniels noticed his efforts and gave him practical instructions. The instrument greatly suited Sellers's temperament and artistic skills. Spike Milligan later noted that Sellers was very proficient on the drums and might have remained a jazz drummer, had he lacked his skills in mimicry and improvisation. As the war progressed, Sellers continued to develop his drumming skills, and played with a series of touring bands, including those of Oscar Rabin, Henry Hall and Waldini, as well as his father's quartet, before he left and joined a band from Blackpool. Sellers became a member