Inside the Actors Studio: Christopher Meloni says playing opposites in SVU and Oz wasn't easy'

Christopher Meloni is perhaps best known for playing two characters who couldnt be more different.

From 19982003, Meloni played murderous sociopath Chris Keller on HBOs prison dramaOz.

EW can exclusively announce that Meloni will be the next guest onInside the Actors Studio.

Credit: NBCUniversal

It wasnt easy, Meloni says.

Currently, Meloni stars in WGNs recently begunslavery dramaUnderground.

Christopher Melonis episode ofInside the Actors Studiowill air Thursday, March 31 at 8 p.m. Watch the first clip below.