Joon-ho is reuniting with Tilda Swinton for the sci-fi fantasy which will also star Seohyun Anstory, Jake Gyllenhaal and Bill Nighy.
However, it's the latest cast addition that has sent tongues wagging with The Walking Dead actor Steven Yeun signed on to battle an oversized pig (really) in the new creature feature.
Causing a whole host of abounding theories, viewers were up in arms about facing a six-month wait before discovering the identity of the unfortunate character - Yeun's character Glenn being one of 11 characters who could be dead by the time season seven begins.
Okja is now filming in Seoul which would lead to the assumption that Yeun could film his scenes and be back in Atlanta, Georgia - The Walking Dead's filming location - in time for its May shooting schedule.
But when merged with the fact he's heading up his very own action film also, it doesn't leave a lot of time aside to play Glenn. Perhaps it's time we start preaparing our goodbyes...
The film - which also stars Paul Dano and Lily Collins - is set to premiere globally in 2017; it's a co-production between Netflix and Brad Pitt's Plan B Productions, a combination that is also releasing War Machine later this year.
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