Ashton Kutcher Walden Schmidt Actor Jon Cryer Alan Harper Actor Conchata Ferrell Berta Actor Amber Tamblyn Jenny Actor Courtney Thorne-Smith Lyndsey Mackelroy Guest Star D.B. Sweeney Larry Guest Star Kimberly Williams-Paisley Gretchen Guest Star Odette Annable Nicole Guest Star Clark Duke Barry Guest Star Kimberly Brooks Computer Voice Guest Voice Chuck Lorre Executive Producer Don Reo Executive Producer, Writer Jim Patterson Executive Producer, Writer Saladin K. Patterson Writer Jim Vallely Writer Leslie Schapira Writer Jeff Lowell Writer James Widdoes Director