It's been almost 30 years since Star Trek: The Next Generation went off the air--though characters would return throughout different Star Trek movies and spin-offs--but it helped launch Patrick Stewart and a cast of mostly unknown and untested actors into stardom.

Introducing new Star Trek canon after 20 years was a long-shot gamble for sure, and Stewart's Jean-Luc Picard was a new Commander in charge of the USS Enterprise and wasn't always the most jovial. Stewart writes in his new memoir, Making It So: A Memoir, which includes a story about a time the Emmy-nominated actor lashed out at his TNG co-stars while shooting Season 1.

"I could be a severe bastard," he writes in an exclusive excerpt published by The Hollywood Reporter. "My experiences at the Royal Shakespeare Company and the National Theatre had been intense and serious...On the TNG set, I grew angry with the conduct of my peers, and that's when I called that meeting in which I lectured the cast for goofing off and responded to Denise Crosby's, 'We've got to have some fun sometimes, Patrick' comment by saying, 'We are not here, Denise, to have fun.'"