Mad Men‘s John Slattery to Guest Star on NBC’s 30 Rock

Stage and screen star John Slattery will guest star on an upcoming episode of NBC’s 30 Rock, according to EW.com.

Slattery is a three-time Emmy Award nominee for his role as Roger Sterling on AMC’s Mad Men His many stage credits include Rabbit Hole, Betrayal, Laughter on the 23rd Floor, and Three Days of Rain. His other television appearances include Desperate Housewives and Sex and the City.

30 Rock stars Tina Fey, Alec Baldwin, Tracy Morgan, Jane Krakowski, Jack McBrayer, Scott Adsit, Katrina Bowden, and Judah Friedlander.