LOS ANGELES — "Grey's Anatomy" is adding three new guest stars ahead of its Season 23 premiere on Oct. 15, the show confirmed, according to Variety.

Sarah Levy, best known for playing Twyla Sands on "Schitt's Creek," joins as Corrie, a pregnant patient anxious about giving birth after a traumatic first delivery. Trevor Tordjman plays Thomas, described as "the fun-loving and charming boy next door," while Martin Martinez plays Charlie, a character with a rough upbringing who struggles to trust people, according to TVLine. ABC renewed the long-running medical drama for its 23rd season earlier this year.