United Kingdom, April 9 -- Olivia Munn has recalled a male actor refusing to let her character save his alter ego in a movie.

The 45-year-old actress has made a few films where she played a police officer or CIA agent and her character "has been the one to save the other", but on one occasion she was shooting a gunfight scene in an underground bunker, and her co-star wasn't happy with the script.

She told The Drew Barrymore Show: "If you read the script, it was that he was guarding his side, I was guarding my side, then we switch sides and then there's a guy that was coming for him - was gonna shoot him in the back - so I shoot him.

"And then we're about to shoot and, somehow, I guess he didn't read the script and in that moment, he re...