Is Zach braff the voice of dog for charmin commercial?

Zach Braff is not the voice of the dog in Charmin commercials. The voice of the dog is actually provided by a real dog named Chance.

Chance is a very talented pup who has been the voice of Charmin's "Mr. Whipple" dog since 2012. He's become quite the celebrity in the dog world, with his own Instagram account and even a cameo appearance on "The Today Show".