Jamie-Lynn Sigler and Robert Iler, who played siblings Meadow and A.J. Soprano, respectively, face off in PEOPLE's exclusive ...

"The Sopranos ... WHO IT IS] MEADOW: God, we shouldn't have done that. My dad will kill me if he finds out about this. He might kill you, too. He gets so nuts when it comes to my boyfriends.

"It was great." Sigler played Meadow Soprano for all six seasons of the HBO drama, while Iler played her younger brother, A.J. Soprano. The hit HBO series also starred the late James Gandolfini as ...