Actor In A Supporting Role

From: Favorite Hunks & Other Things

 Christian Bale

The Big Short

 Bale's booty was on display in A Midsummer Night's Dream and Captain Corelli's Mandolin, but he flashed the full Monty in American Psycho and in Metroland, shown in the caps below.

 

 Tom Hardy

The Revenant

 Although I don't publish nude paparazzi shots any longer, there wasn't much in Tom Hardy's recent unplanned photo shoot that he didn't alreday show in 2008's Bronson. 

 Mark Ruffalo

Spotlight

 Mark Ruffalo has showed his beautiful bottom, and his impressive front in The Kids Are All Right, In The Cut and in XX/XY, shown in the caps below.

 Mark Rylance

Bridge Of Spies

Actor Mark Rylance first dropped trou in 1991's Prospero's Books and dropped them again, and again. In 2001's Intimacy (below) they dropped again, and stayed off for more than a few very graphic scenes. 

Sylvester Stallone

Creed