The potential spinoff centered on Kit Harington's Jon Snow was announced to be in the works back in 2022.
The pair are set to star together in the upcoming horror film 'The Dreadful.'
The 'Game of Thrones' alums have welcomed a second child.
The actor joins season 3 of the hit British finance drama.
Kit Harington stars in 'Extrapolations,' premiering on March 17 on Apple TV+.
'Game of Thrones' co-stars Kit Harington and Rose Leslie welcomed their first child in 2021.
Kit Harington chats with ET at the Los Angeles premiere of 'Extrapolations,' debuting March 17 on Apple TV+.
The two stars are already parents to a 2-year-old son.
The anthology drama also stars Sienna Miller, Daveed Diggs, Edward Norton, Diane Lane, Matthew Rhys, David Schwimmer and Keri Russell.
Check out this full episode of ET's The Download, breaking down all the must-know entertainment news stories from Monday, June 20.
The actor is currently attached to once again play the fan favorite role in a potential sequel series.
The 'Downton Abbey' star opened up about her husband's sobriety in an interview with 'Harper's Bazaar UK.'
Check out this exclusive gag reel for 'Eternals,' debuting on all major digital platforms on Jan. 12.
ET sits down with the cast of Marvel’s ‘Eternals,’ out now in theaters.
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