(Cover) - EN Showbiz - Brad Pitt loved playing pranks on his co-stars while they were making Moneyball.

The actor appears alongside Jonah Hill and Philip Seymour Hoffman in the real-life sports drama. The movie follows a charismatic baseball manager's attempt to put together a team on a tight budget.

Jonah has revealed Brad was a joy to work with, and put everyone at ease by getting into mischief. However, he refuses to reveal exactly which jokes Brad planned for cast and crew.

"He's fantastic," he said. "He's so giving. He's just, like, a guy you look up to for so many reasons. He's the coolest guy! He started playing pranks on me like right off the bat." Jonah told E! Online.

Brad plays the team's manager Billy Beane in the movie, while Jonah is his assistant general manager Peter Brand.

Jonah admits he found it more intimidating to work with Philip than Brad, because Philip plays his character' enemy in the movie.

"It was scarier to work with Phil, because his character didn't like me in the movie," he explained. "Brad and I are the two leads of the movie and Phil, he doesn't like us in the movie. He doesn't like what we represent." (C) Cover Media