Margartia Levieva, Michael Gambon

Margarita Levieva has joined the cast of HBO's new horse-racing series Luck for Season 2, Deadline reports.

The Revenge star, who portrays Amanda, has been cast in the recurring role of Sarah Israel, sister of Nathan Israel (Suits' Patrick J. Adams).

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In other Season 2 news, Michael Gambon has been promoted to series regular. The Harry Potter star has recurred during the first season as Mike, an adversary of Ace Bernstein (Dustin Hoffman) who's part of the reason Ace landed in prison in the first place.