If you go into it thinking that you're going to be rolling your eyes at the ultimate self-deluded celebrity do-gooder, the movie may stop you in your tracks.

A revealing, engaging chronicle of the actor's activism.

Perhaps the film could have benefited from a more analytical discussion of Haiti's larger historical context, but it's a worthwhile record.

Though the documentary can feel self-aggrandizing and an attempt to shift negative perceptions of Penn's personal style of activism, his dedication to helping Haiti is obviously not a publicity stunt.