02/28/2013 08:24 pm ET

Jimmy Smits Returning To 'Sons Of Anarchy' For Season 6 And More Casting News

Jimmy Smits will be returning to "Sons of Anarchy" for Season 6, TVLine reports.

Smits made his debut as the gangster Nero in Season 5, where he romanced Katey Segal's Gemma and assisted Jax (Charlie Hunnam) and the rest of his motorcycle club deal with their enemies. He'll reportedly be appearing in all 13 episodes of Season 6, but won't be credited as a series regular.

Another familiar face returning to "SOA" in Season 6 is Donal Logue, reprising his role as Lee Toric.

In other casting news ...

Allison Janney joins "Masters of Sex." The "West Wing" alum will play Margaret Scully, the wife of Beau Bridges’ character, University Provost Barton Scully, in five episodes of the Showtime drama. [Showtime]

Mary Kay Place visits "The New Normal." Place will play Bryan's (Andrew Rannells) estranged mother, who is reportedly loosely based on co-creator Ryan Murphy's own mom. [TV Guide]

Carol Burnett and Tim Conway to reunite on “Hot in Cleveland.” Burnett will play Victoria’s (Wendie Malick) mother Penny, a local TV legend and puppeteer on a children's program. Conway will make his return to the series as Nick, Elka’s (Betty White) ex-boyfriend, but this time around, Nick has his heart set on Penny. [TV Land]

"Bones" finds Booth's mother. Joanna Cassidy will play Marianne Booth, who reappears in her son's (David Boreanaz) life after a 24-year absence for the Fox show's season finale. [TV Guide]

2013 Renewal Index: Canceled, Renewed & On The Bubble Shows