who does julie andrews play in princess diaries
Clarisse Renaldi
The Princess Diaries (film)
Julie Andrews, who had been semi-retired from acting at the time, was cast as Clarisse Renaldi, Mia's grandmother and Queen of Genovia. 
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The Princess Diaries (film) [SEP] Casting
Furthermore, the actress cites Marshall as her favourite director, whose positive energy she described as unrivaled by other directors. Matarazzo was also starstruck by the opportunity to work with Andrews, whose films she had idolized as a child, and often asked for the actress' autograph.