Mariska Hargitay, who plays Olivia Benson on, and Chris Meloni, who recently returned to the franchise as Elliot Stabler on, know that fans are eager for the two former partners to ignite their romance onscreen. But Meloni played coy about whether or not that will happen when both shows return to NBC in September. “I think it’s going to be a collaborative effort between both showrunners and Mariska and I to figure it all out.