Linda Blair, who starred in the iconic 1973 horror film The Exorcist, has paid tribute to the late director William Friedkin, calling him a “genius,” a “maverick,” and a “protector.”

Friedkin died at the age of 87.

In a lengthy Instagram post, Blair wrote that Friedkin was “a game changer” who “thought outside the box” and had “an incredibly bold personality and extraordinary imagery.” She said that Friedkin was a true maverick throughout his career and that he “electrified colleagues and moviegoers alike.”

Blair also credited Friedkin with pushing her to give an unforgettable performance in The Exorcist. She said that Friedkin used “ground breaking special effects” to ensure that her performance was “nothing less than shocking and unforgettable.”

Blair also said that Friedkin was a “friend” and a “protector” to her. She said that he “fiercely protected me from the maddening crowds” when The Exorcist became a cultural phenomenon.

“He was my director, friend, and protector,” Blair wrote. “It was an honor to know him and I am deeply saddened at this time. He changed my life forever, along with the world through my performance, and all my performances throughout my career.”

Blair’s tribute to Friedkin is a touching reminder of the impact that he had on her life and career. Friedkin was a true visionary who helped to create one of the most iconic horror films of all time. He will be missed by many.