As the Scream Queens premiere gets closer , the cast list is getting longer.

Patrick Schwarzenegger has been revealed as the latest addition to the horror-drama series in a Twitter update shared by co-creator Ryan Murphy on Friday night (September 11).

Happy to announce that PATRICK SCHWARZENEGGER has joined the cast of SCREAM QUEENS pic.twitter.com/hmcPWMGwqQ — Ryan Murphy (@MrRPMurphy) September 11, 2015

Schwarzenegger will be joining the likes of Emma Roberts, Lea Michele, Jamie Lee Curtis, Nick Jonas, Diego Boneta and Ariana Grande on the set of the not-as-safe-as-it-seems sorority house.

"Happy to announce that Patrick Schwarzenegger has joined the cast of Scream Queens," Murphy tweeted his excitement yesterday and dropping no other hints as to Schwarzenegger's character.

At this point, he could be the killer, a frat boy, a teacher, a boyfriend - we don't know, but as Scream Queens is scheduled to premiere on September 22, we only have two weeks to wait and find out.

Schwarzenegger can also be seen in the upcoming Scouts Guide to the Zomibie Apocalypse.

Meanwhile, Murphy's other horror-led showpiece American Horror Story: Hotel recently debuted its first star-studded trailer.

Watch it below:

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