Casting director Amy Britt, who along with partner Anya Colloff cast one of Showtime’s signature series, Weeds, has been tapped as the pay cable network’s new head of casting. Britt, who has been named SVP Talent and Casting, succeeds Showtime’s longtime head of casting Beth Klein, who is leaving at the end of this week. Based in Los Angeles, Britt will oversee casting for Showtime’s’s original series, reporting to entertainment president David Nevins. “I’ve known and admired Amy for many years now,” Nevins said. “She has impeccable casting taste, a keen eye and a great sense of humor.”

Britt, who formed CFB Casting with Colloff in 1998, has cast such series as Monk, Party Down, Childrens’ Hospital and Hung. Her feature credits include Walk Hard: The Dewey Cox Story; An American Crime; Baadasssss!; Sundance standout The Chumscrubber; as well as the upcoming Bad Teacher starring Cameron Diaz, Justin Timberlake and Jason Segel. Britt and Colloff have been frequent collaborators with Joss Whedon, casting his series Buffy the Vampire Slayer, Angel, Firefly and Dollhouse and movies Serenity and the upcoming The Cabin In The Woods. Colloff will continue to run CFB Casting.