Washington, June 19 -- Uma Thurman has opened up about her decision to step away from action films after the success of the 'Kill Bill' franchise.

The actress is making a long-awaited return to the genre alongside Charlize Theron in 'The Old Guard 2.'

During an appearance on 'The Tonight Show' Starring Jimmy Fallon, Thurman explained that she took a break from action movies to preserve her legacy as an action star.

"I never really followed Kill Bill up with action because I didn't kind of want to be in a whole bunch of 'B' action movies," she said, as quoted by People magazine.

Thurman saw 'The Old Guard 2' as an opportunity to "put my toe into action again."

She was drawn to the film's story and characters, particularly Charlize The...