The cast of the upcoming Christy Martin biopic includes Ben Foster as James Martin, Merritt Weaver, Katy O’Brien, Ethan Embry, Jess Gabor, Chad L. Coleman and Tony Cavalero.

Sydney Sweeney is sharing the “crazy” transformation and preparation that went into portraying pioneering female boxer Christy Martin in a new biopic set for release later this year.. Speaking ...

Christy Martin, Sydney Sweeney at the Boxing Hall of Fame Induction Ceremony in New York on June 8. Getty Images “I hadn’t ever seen her in ‘Euphoria,’” Michôd, 52, told the outlet.

Sydney Sweeney underwent a major transformation to portray boxer Christy Martin. The actress gained 30 pounds and went up four jeans sizes, and felt "crazy strong" as a result.

Christy Martin and Sydney Sweeney react to fans during the Parade of Champions on June 8, 2025 in Canastota, New York. Ed Mulholland/Getty Images In 2010, Christy nearly died after being attacked ...