Dylan Minnette, Madeline Carroll

Scandal is rounding out the first family.

The ABC drama has cast Dylan Minnette and Madeline Carroll to play Jerry and Karen, the children of President and First Lady Fitz (Tony Goldwyn) and Mellie (Bellamy Young).

Photos: Winter Olympics crying faces

Minnette has appeared on Marvel's Agents of S.H.I.E.L.D. and Grey's Anatomy, while Carroll has guest-starred on Grey's and Private Practice. Both actors also had small roles on Lost — Minnette as the son of Jack Shephard (Matthew Fox) and Carroll as Annie, the friend of young Ben Linus.

Scandal returns from hiatus on Thursday, Feb. 27 at 10/9c. Jerry and Karen will make their debuts in Episode 15 of Season 3.