Charlie Sheen Charlie Harper Actor Jon Cryer Alan Harper Actor Angus T. Jones Jake Harper Actor Marin Hinkle Judith Actor Jennifer Taylor Chelsea Guest Star Ryan Stiles Dr. Herb Melnick Guest Star Annie Potts Lenore Guest Star David Mattey Lou Guest Star Sergio Kato Geno 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 Don Foster Writer Eddie Gorodetsky Writer Susan Beavers Writer Jim Patterson Writer James Widdoes Director