Charlie Sheen Charlie Harper Actor Jon Cryer Alan Harper Actor Angus T. Jones Jake Harper Actor Conchata Ferrell Berta Actor April Bowlby Kandi Actor Katherine LaNasa Lydia Guest Star Christopher T. Wood Arnold Guest Star Carrie Stevens Pam Guest Star Nicole Kreuzer Girl at Meeting 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 Eddie Gorodetsky Writer Mark Roberts Writer