Brad Pitt Plays Sean Penn’s Father in ‘Tree of Life’ Trailer (VIDEO)

Sure, Brad Pitt isn’t as young as he used to be, but old enough to be Sean Penn’s father? Well, in a way, yes.

The trailer for Pitt’s upcoming movie The Tree of Life (see photos from the movie here) has emerged, featuring Pitt as a father in the 1950s whose determination to teach his sons to be assertive leads to familial tensions. And in the movie, one of the boys grows up to be…Sean Penn. Who clearly has no difficulties asserting himself. Job well done, Papa Pitt!

The Tree of Life hits theaters on May 27, 2011. Check out the trailer below: