Sentai Filmworks has licensed the Gintama movie and it will be subbed...and dubbed.

Yikes. This might be rough, guys. It will be the day when a company attempts to dub Sayonara Zetsubou Sensei or Bakemonogatari. 

How about letting the English voice actors do whatever the hell they want and pull a Ghost Stories? I feel like that’s what the Gintama anime allows the voice actors to do anyways.