Sarah Paulson described how she transformed into Marcia Clark for “The People v. O.J. Simpson: American Crime Story,” studying the lawyer right down to the perfume she used to wear. Bobby Cannavale, meanwhile, remembered an early role of his in Stephen Adly Guirgis’ play alongside Chris Rock, while chatting for Variety and PBS’ “Actors on Actors.”

Tracee Ellis Ross ("Black-ish") with Sarah Paulson ("American Horror Story") talk about delving into the intimidating world of directing and how their characters have evolved in their respective long-running series.