Alexa Jacqueline Skye Idelchik Swinton is an American actress, singer and songwriter, she appeared in a lead role as Piper in the 13-episode of the ABC Prime Time series Emergence, has a recurring role as Eva Rhoades in Billions, in the HBO series And Just Like That..., in which she plays the character of Rock Goldenblatt, as the Red Room trainee Anya in the 2025 Marvel Cinematic Universe superhero film Thunderbolts* and she appeared in M. Night Shyamalan's 2021 film Old, playing the role of Young Maddox.