Lindsay Lohan Anna Coleman Jamie Lee Curtis Tess Coleman Julia Butters Harper Coleman Sophia Hammons Lily Reyes Mark Harmon Ryan Manny Jacinto Eric Reyes Maitreyi Ramakrishnan Ella Christina Vidal Maddie Haley Hudson Peg Chad Michael Murray Jake X Mayo Principal Waldman Lucille Soong Grandma Chiang Rosalind Chao Mama P Vanessa Bayer Madame Jen Jordan E. Cooper Jett June Diane Raphael Veronica Mary Sohn Vivian Santina Muha Judy (INS Agent) Stephen Tobolowsky Mr. Elton Bates Aryan Simhadri Jai George Wallace George Wallace Sherry Cola Sherry Cola Kylah Davila Athena Noen Perez Julian Ryan Malgarini Harry Valentina Garcia Ms. Kathleen Jimmy Bellinger Cayden David Miranda Rizz Kid Helena Grace Donald Kristin Chloe Fineman GiGi Elaine Hendrix Blake Kale Kiran Deol Deva Danielle Bux Romy Jaden Carson Baker Simon A.J. Danna Mime Naomi McPherson Ella's Keyboard Player Katie Gavin Ella's Guitar Player Josette Maskin Ella's Guitar Player