10) Margot Robbie in Suicide Squad

To transform into Harley Quinn for Suicide Squad, Margot Robbie took her preparation to wild extremes. She prepared intensively in gymnastics and aerial silks to do many of her stunts. Robbie also learned live rat handling, including one that co-star Jared Leto gifted her. Off-screen, she dived into Harley's twisted psyche, delving into comic lore to help nail the complex personality of the character. Her electrifying performance stole the show, becoming one of the movie's most memorable highlights.
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Edited by Apoorva Jujjavarapu