Ashton Kutcher Walden Schmidt Actor Jon Cryer Alan Harper Actor Angus T. Jones Jake Harper Actor Conchata Ferrell Berta Actor Marin Hinkle Judith Guest Star Ryan Stiles Dr. Herb Melnick Guest Star Jelly Howie Kristen Guest Star Mikaela Hoover Morgan Guest Star Kelly Rohrbach Amber 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 Don Reo Writer Gemma Baker Writer Jim Patterson Writer Eddie Gorodetsky Writer Susan McMartin Writer James Widdoes Director