Two and a Half Men season 4

The fourth season of Two and a Half Men originally aired on CBS from September 18, 2006, to May 14, 2007, to positive reviews.

Main

 * Charlie Sheen as Charlie Harper
 * Jon Cryer as Alan Harper
 * Angus T. Jones as Jake Harper
 * Marin Hinkle as Judith Harper-Melnick
 * Conchata Ferrell as Berta
 * April Bowlby as Kandi
 * Holland Taylor as Evelyn Harper

Recurring

 * Melanie Lynskey as Rose
 * Ryan Stiles as Herb Melnick

Guest

 * Steven Tyler as himself
 * Katherine LaNasa as Lydia
 * Sara Rue as Naomi
 * Jane Lynch as Dr. Linda Freeman
 * J.D. Walsh as Gordon
 * Susan Sullivan as Dorothy
 * Jessica Collins as Gloria
 * Brooke Shields as Danielle Stewart
 * Allison Janney as Beverly
 * Brooke D'Orsay as Robin
 * Morgan Fairchild as Donna
 * Judy Greer as Myra Melnick
 * Matt Roth as Greg
 * Kay Panabaker as Sophia
 * Joel Murray as Petey
 * Andrea Savage as Lena
 * Enrique Iglesias as Fernando
 * Rachel Cannon as Chloe
 * Robert Wagner as Teddy Leopold
 * Mike Connors as Hugo