Jamie Chung and Jena Malone are set to topline Sucker Punch, Zack Snyder's all-female action fantasy for Warner Bros.

According to The Hollywood Reporter, Chung and Malone join Emily Browning, Vanessa Hudgens and Abbie Cornish in the film, which Snyder is directing and producing with his Cruel & Unusual Films partner, wife Deborah Snyder.

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Set in the 1950s, Sucker Punch centers on a girl confined to a mental institution by her evil stepfather, who intends to have her lobotomized in five days. While there, she imagines an alternate reality to hide from the pain and in that world begins planning her escape, needing to steal five objects to help get her out.

Several actors have been in talks and negotiations to star in the movie, including Amanda Seyfried, Evan Rachel Wood and Emma Stone, but have fallen away because of scheduling conflicts.

Chung, replacing Stone, plays Amber, a country girl with a big heart. Malone, taking Wood's part, plays Cornish's younger sister. Both characters are inmates.

No production date has been set.