Demi Moore Elisabeth Margaret Qualley Sue Dennis Quaid Harvey Edward Hamilton-Clark Fred Gore Abrams Oliver Oscar Lesage Troy Christian Erickson Man at Diner Robin Greer Male Nurse Tom Morton Doctor Hugo Diego Garcia Diego - Boyfriend Jonathon Carley Assistant Casting Director Jiselle Henderkott Girl Auditioning Akil Wingate TV Host Vincent Colombe Man in Suit #1 - Harvey's Office Billy Bentley Man in Suit #2 Oscar Salem 2nd Assistant Director - Pump It Up Show Matthew Luret Floor Runner Jana Bittnerová Maria Olivier Raynal Alan - 2nd Agent Tiffany Hofstetter Stylist Nathan Rippy Assistant Director - New Year's Eve Show Ashley Lambert Additional Voices Ranjani Brow Additional Voices Michael Corbett Additional Voices Stephen Apostolina Additional Voices Yann Bean The Substance (voice)