Emma Stone (Olive Penderghast), Penn Badgley (Todd), Alyson Michalka (Rhiannon 'Rhi' Abernathy), Stanley Tucci (Dill Penderghast), Patricia Clarkson (Rosemary Penderghast), Amanda Bynes (Marianne Bryant), Dan Byrd (Brandon), Cam Gigandet (Micah), Thomas Haden Church (Mr. Griffith), Lisa Kudrow (Mrs. Griffith), Malcolm McDowell (Direktor Gibbons), Fred Armisen (Pastor), Johanna Braddy (Melody Bostic), Stacey Travis (Mariannes Mutter), Andrew Fleming (Arzt), Bonnie Burroughs (Micahs Mutter), Norma Michaels (Micahs Großmutter), Eddie Applegate (Micahs Großvater), Juliette Goglia (Olive), Jake Sandvig (Anson), Nikki Tyler-Flynn (Mrs. Abernathy), Morgan Rusler (Mr. Abernathy), Blake Hood (Kennedy Peters-Booth), Jeremiah Hu (Judas), Bryce Clyde Jenkins (Chip), Jameson Moss (Evan), Ryan Parker (Kurt), Jessica Jann (Jezebel), Yolanda Snowball (Rezeptionistin), Drew Koles (Junge)