Canadian actor Christopher Plummer recalled doing a scene with American actress Michelle Pfeiffer in which he really got rough with her.

Plummer, who is a reformed boozer, revealed the scene in his new memoir “In Spite of Myself”.

He recalled the events, which led up to him landing a solid slap on Pfeiffer’s face while doing a scene for Jack Nicholson horror flick “Wolf.”

“I had to lose my temper and slap [Michelle] in the face . . . Gazing into those deep, limpid eyes of hers, I was so hypnotized, my expertise at faking a slap utterly deserted me and I let her have it with full barrels,” the New York Post quoted him as saying.

“It was one of the worst days of my life,” he had added