Ashton Kutcher Walden Schmidt Actor Jon Cryer Alan Harper Actor Conchata Ferrell Berta Actor Amber Tamblyn Jenny Actor Marin Hinkle Judith Guest Star Courtney Thorne-Smith Lyndsey Mackelroy Guest Star Aly Michalka Brooke Guest Star Melissa Denton Amy Guest Star David Grant Wright John Guest Star Chuck Lorre Executive Producer Don Reo Executive Producer, Writer Jim Patterson Executive Producer, Writer Tim Kelleher Writer Jim Vallely Writer Matt Ross Writer Max Searle Writer James Widdoes Director