Pakistan, Aug. 8 -- Brad Pitt may be the Hollywood heavyweight in Heart of the Beast, but he's perfectly happy letting his four-legged costar steal the spotlight.

In a new behind-the-scenes featurette for the survival thriller, Pitt, 62, gives German Shepherd Uber - who plays his canine companion Odin - an impressive title: "number one on the call sheet" and "the star of the film."

And honestly, Uber seems to know exactly how important he is. The David Ayer-directed movie follows James, a retired Special Forces officer played by Pitt, after his plane crashes in the remote Alaskan wilderness. His loyal dog Odin becomes his unlikely lifeline, helping him survive one brutal challenge after another.

"In our story it's James and Odin in the...