Dylan O'Brien Rocky / Roman James Sweeney Dennis Lauren Graham Lisa Aisling Franciosi Marcie Arkira Chantaratananond Judy Tasha Smith Charlotte François Arnaud Sammy Chris Perfetti George Crystal Anne Muñoz Wanda Kody Harvard Eric Katie Findlay Lori Susan Park Sage Pauline Dorsey Penny Jack Clevenger Chad Jannette Bloom Amber Davis King Dean Alexander Jason Hanson Jeff Cree Bianca Alexa Shelly Janee Dabney Zoe Marisa Dabney Zelda