Ashton Kutcher Walden Schmidt Actor Jon Cryer Alan Harper Actor Conchata Ferrell Berta Actor Amber Tamblyn Jenny Actor Carl Reiner Marty Pepper Guest Star Holland Taylor Evelyn Harper Guest Star Courtney Thorne-Smith Lyndsey Mackelroy Guest Star Shanti Lowry Tara, Tanya Guest Star Jett Dunlap Luke Guest Star Chuck Lorre Executive Producer, Writer Don Reo Executive Producer, Writer Jim Patterson Executive Producer, Writer Alissa Neubauer Writer Jeff Lowell Writer James Widdoes Director