Ashton Kutcher Walden Schmidt Actor Jon Cryer Alan Harper Actor Conchata Ferrell Berta Actor Amber Tamblyn Jenny Actor Holland Taylor Evelyn Harper Guest Star Courtney Thorne-Smith Lyndsey Mackelroy Guest Star D.B. Sweeney Larry Guest Star Kimberly Williams-Paisley Gretchen Guest Star Brad Paisley Derek Guest Star Art Butler Robot Guest Voice Chuck Lorre Executive Producer Don Reo Executive Producer, Writer Jim Patterson Executive Producer, Writer Tim Kelleher Writer Jim Vallely Writer Steve Tompkins Writer Jeff Lowell Writer Matt Ross Writer Max Searle Writer James Widdoes Director