Ve filmu Sharpay's Fabulous Adventure hrají Ashley Tisdale (Sharpay Evans), Austin Butler (Peyton Leverett), Cameron Goodman (Amber Lee Adams), Bradley Steven Perry (Roger Elliston the Third), Lucas Grabeel (Ryan Evans), Alec Mapa (Gill Samms), Jack Plotnick (Neal Roberts), Robert Curtis Brown (Mr. Evans), Jessica Tuck (Mrs. Evans), Pat Mastroianni (Jerry Taylor), Mike 'Nug' Nahrgang (Stage Manager), Alessandra Cannito (Lupe), Lauren Collins (Tiffany), Shadia Ali (Dena), Sarah Joy Bennett (Kelly), Tracey Ferencz (Marjorie), Tammy Isbell (Judith / Nell), Kyle Buchanan (Tim), Jorge Molina (Mr. Gonzalez), Mya Michaels (Mrs. Gonzalez), Anthony Christian Potenza (Sound Engineer), Amish Patel (Butchy), Michelle Bugay (Girl 1), Sarah Slywchuk (Singer Girl), Shawn Byfield (Trevor), Johnie Chase (Card Player), Taylor James (Shine Dancer / Finale Dancer), Damien Lavergne (Dancer), Bethany Kovarik (Dancer), Misha Rasaiah (Dancer), Alexandra Herzog (Dancer), Tanya Karn (Dancer), Shamier Anderson (Lead Dancer), Rhonda Roberts (Dancer), Louise St. Cyr (Dancer), Marc Cardarelli (Dancer), Judy Kovacs (Dancer), Tamina Pollack-Paris (Dancer), Corey Gorewicz (Dancer), Charles Seminerio (Dancer), Michael MacLennan (Dancer), Joey Arrigo (Dancer), Tom Bishop Jr. (Carriage Driver), Moonlyn (Statue of Liberty), David Braid (Pianist (uncredited)), Craig Cyr (Poker Player (uncredited)), Laura Eichhorn (Duchess (voice) (uncredited)), Okiki Kendall (Patron #1 (unredited)), Shawn Molko (Roger Elliston (singing voice) (uncredited)), Justin Nie (Patron #2 (uncredited)), Alana Randall (Compay Dancer (uncredited)), Vanessa Volcy (Party Goer (uncredited)), Manly "Little Pickles" Ortega (Boi Evans (uncredited)).