Louis C.K. Horace Wittel VIII Actor, Executive Producer Steve Buscemi Pete Wittel Actor Edie Falco Sylvia Wittel Actor Steven Wright Leon Actor Kurt Metzger Kurt Actor Alan Alda Uncle Pete Actor Jessica Lange Marsha Actor Conner O'Malley Guest Star Karen Pittman Guest Star Blair Breard Executive Producer Dave Becky Executive Producer Vernon Chatman Executive Producer Dino Stamatopoulos Executive Producer