Jon Cryer Alan Harper Actor Ashton Kutcher Walden Schmidt Actor Conchata Ferrell Berta Actor Edan Alexander Louis Actor Courtney Thorne-Smith Lyndsey Mackelroy Guest Star Maggie Lawson Ms. McMartin Guest Star Michael Bolton Michael Bolton Guest Star Vernee Watson Karen Guest Star Michael Patrick McGill Joseph Guest Star Belle Angel Flight Attendant Guest Star Chuck Lorre Executive Producer Don Reo Executive Producer, Writer Jim Patterson Executive Producer, Writer Steve Tompkins Writer Warren Bell Writer Jeff Lowell Writer Nathan Chetty Writer James Widdoes Director