08/31/2012 04:59 pm ET

Bryan Cranston On '30 Rock' With Catherine O'Hara And More Casting News

"30 Rock" is officially getting a dose of "Breaking Bad."
According to TV Guide, "Breaking Bad" star Bryan Cranston and movie actress Catherine O'Hara are headed to the NBC sitcom.

"We're going to meet Kenneth's (Jack McBrayer) [family]," creator and star Tina Fey said. "Kenneth's mom will be played by Catherine O'Hara and his mom's 'friend' Ron will be Bryan Cranston."

An entire episode with Kenneth?! What will Walt cook up next?

In other casting news...

Gloria Votsis is "Person of Interest"-bound. The "White Collar" actress will guest-star as reporter Maxine Angelis on the CBS drama. [TVLine]

Guillermo Diaz is returning to "Weeds." The fan favorite will return as his character of the same name will be back for three episodes of the Showtime series' final season. [TV Guide]

David Harbour is getting his "Elementary" on. The "Newsroom" actor is headed to the CBS drama as an unlikely ally for Sherlock (Johnny Lee Miller). [TVLine]

30 Rock