- as Amelia "Mia" Thermopolis
- as Queen Clarisse Renaldi
- as Joe
- as Lilly Moscovitz
- as Michael Moscovitz
- as Lana Thomas
- as Helen Thermopolis
- as Josh Bryant
- as Jeremiah Hart
- as Teacher Patrick O'Connell
- as Vice Principal Gupta
- as Charlotte Kutaway
- as Music Teacher Wells
- as Cable Show Student Melissa
- as Singing Student Alice
- as Lana's Date Eric
- as Prime Minister Motaz
- as Baron Siegfried von Troken
- as Baroness Joy von Troken
- as Scottish Duke
- as Scottish Duchess
- as Lady Evergreen
- as Consulate Valet Adolpho
- as Consulate Guard Darrell
- as Consulate Maitre D'
- as Limo Driver Mel
- as Lady Jerome
- as Press Secretary Spencer
- as Ball Guest Stanley
- as Lady Caroline
- as Neighbor Mr. Robutusen
- as Climbing Manager Schiavone
- as Cable Tourist
- as Tour Bus Driver
- as Michael's Band Flypaper
- as DJ Mark
- as Kid Autograph Seeker
- as Kid Autograph Seeker
- as Suki Sanchez
- as Nelson Davenport
- as Teen Reporter Cassie
- as Ball Reporter
- as Street Reporter
- as Teacher
- as Philippe Renaldi (Voice)
- as Michael's Band Flypaper
- as Paolo
- as Cop #2
- as Clark
Watch "The Princess Diaries":