The long-gestating big screen adaptation of classic musical "Cats" is continuing to round out its cast, adding another big name to its already-starry ensemble.

Pitch Perfect" series, making her addition to "Cats" pretty pitch purrfect (sorry).

The actress is just the latest famous face to sign on for the flick, ing a playing Macavity); late night host James Corden; and Gandalf/Magneto himself, Ian McKellen (playing Gus the Theatre Cat).

According to Deadline, rehearsals have already started at Leavesden Studios in England. "Cats" is a decidedly weird musical, but with this group on board, we're definitely eager to see how Oscar-winning director Tom Hooper brings this film together.

"Cats" is due to pounce into theaters on December 20, 2019.

[via: Deadline]