Ashton Kutcher Walden Schmidt Actor, Writer Jon Cryer Alan Harper Actor Angus T. Jones Jake Harper Actor Holland Taylor Evelyn Harper Actor Marin Hinkle Judith Actor Conchata Ferrell Berta Actor Courtney Thorne-Smith Lyndsey Mackelroy Guest Star Sophie Winkleman Zoey Guest Star Graham Patrick Martin Eldridge Mackelroy Guest Star Macey Cruthird Megan Guest Star Judy Greer Bridget Schmidt Guest Star Mimi Rogers Robin Schmidt Guest Star Matthew Marsden Nigel Guest Star Nicholas Gonzalez Baker Guest Star Talyan Wright Ava Guest Star Georgia Engel Jean Guest Star Nikki Novak Naomi Guest Star Robert Clotworthy Pilot Guest Voice Ryan Stiles Dr. Herb Melnick Guest Star Mark Roman Pavlov's Bar Patron Guest Star Chuck Lorre Executive Producer, Writer Lee Aronsohn Executive Producer, Writer Eric Tannenbaum Executive Producer Kim Tannenbaum Executive Producer Mark Burg Executive Producer Oren Koules Executive Producer Susan McMartin Writer Andrew J.B. Aronsohn Writer Gemma Baker Writer Eddie Gorodetsky Writer Jim Patterson Writer James Widdoes Director Susan Beavers Writer Don Reo Writer David Richardson Writer