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Alan Thicke, Julia Duffy, Patrick Schwarzenegger, Glen Powell

Gabriel Olsen/FilmMagic, Earl Gibson III/WireImage,VALERIE MACON/AFP/Getty Images, Matthias Clamer/FOX

The Radwells just got a little more rad. E! News can exclusively reveal that Scream Queens has cast sitcom legends Alan Thicke and Julia Duffy as Chad Radwell's (Glen Powell) and Thad Radwell's (Patrick Schwarzenneger) parents! 

In case you haven't been paying attention, Chad Radwell is the president of the Dickie Dollar Scholars golf fraternity, best friend to Boone (Nick Jonas), and occasional boyfriend of Chanel No. 1 (Emma Roberts). He also rocks a mean sweater vest and has a thing for death, naturally.

It was recently announced that his brother, Thad, will be played by Patrick Schwarzenegger, and Chad Michael Murray will play Brad (Chad was already taken!), which means we might now have a complete picture of the prestigious Radwell family.

Thicke is known both as a musician (he composed the theme for Diff'rent Strokes and The Facts of Life!) and as an actor and the star of Growing Pains. He's also Robin Thicke's father, and let's just say we could totally see Chad Radwell right next to Robin Thicke in the "Blurred Lines" video...

Duffy is best known for starring on Newhart, and she also recently appeared on HBO's Looking

Scream Queens premieres this Tuesday, Sept. 22, at 8 p.m., but in the meantime, be sure to check out our gallery of 16 of the most fascinating facts about the show. 

Plus, don't forget to join our very exclusive secret Scream Queens society, Squad SQ, for special access to scoop and more!