The rich just keep getting sicker on How to Get Away With Murder — and that’s good news for Annalise Keating.

ABC’s Thursday-night drama has lined up three new clients for Viola Davis’ hard-charging defense attorney — and they’ll be played by Wilson Bethel (Hart of Dixie, The Astronaut Wives Club), Adam Arkin (Chicago Hope, Sons of Anarchy) and Roxanne Hart (Hung).

Bethel has landed the role of Charles Mahoney, the Ivy League-educated son of Arkin’s Wallace (a Warren Buffet type who’s quiet and observant, but knows how to command a room when he chooses) and Hart’s Sylvia (a tough yet distinguished and smart socialite).

The new characters will crop up shortly after HTGAWM returns from its winter break on Feb. 11 (10/9c on ABC) — and there’s a chance they could still be in the mix in an all-but-inevitable Season 3.

“The Mahoney family plays a really big part in a legal case in our last six episodes,” showrunner Pete Nowalk tells TVLine. “They’re very wealthy people. It’s a murder case, and it involves Annalise in a big way.”

While Nowalk is reluctant to offer any further specifics about the Mahoneys, he adds that they’re not connected to any of Annalise’s prior clients or to the people in her inner circle.

What do you think about Bethel, Arkin and Hart joining the #TGIT lineup? Share your feelings in the comments!