Ashton Kutcher Walden Schmidt Actor Jon Cryer Alan Harper Actor Angus T. Jones Jake Harper Actor Conchata Ferrell Berta Actor Courtney Thorne-Smith Lyndsey Mackelroy Guest Star Ryan Stiles Dr. Herb Melnick Guest Star Jamie Hill Fuller Nicole Guest Star Chuck Lorre Executive Producer, Writer Lee Aronsohn Executive Producer Eric Tannenbaum Executive Producer Kim Tannenbaum Executive Producer Mark Burg Executive Producer Oren Koules Executive Producer Jim Patterson Writer Eddie Gorodetsky Writer Don Reo Writer Steve Tompkins Writer Alissa Neubauer Writer