Plimpton starred opposite Kate Winslet in HBO’s The Regime last year. The Emmy winner, will next be seen in Prime Target on Apple TV+, which premieres in January, and is filming Netflix’s East of Eden adaptation. Plimpton is repped by Innovative Artists and Markham Froggatt.

Martha Plimpton and Mireille Enos have joined the cast of 'Task,' HBO's upcoming drama series starring Mark Ruffalo.

Martha Plimpton (HBO’s The Regime, Fox’s Raising Hope) and Mireille Enos (AMC’s The Killing, Apple TV+’s For All Mankind) have been officially announced as part of the cast of Brad Ingelsby’s upcoming series at HBO,

Earlier this year, offscreen drama surrounding House of the Dragon season two threatened to eclipse what had happened in Westeros, as A Song of Ice and Fire creator George R.R. Martin—who’d notably kept quite during Game of Thrones ‘ controversial final season in 2019— took to his blog to air out his frustrations with the prequel series.

After Martin published and deleted a blog post critical of the show, Casey Bloys offered reassurance that the creative partnership will be okay.

During a press event on Tuesday, HBO and Max chief Casey Bloys addressed the criticism "Game of Thrones" author George R.R. Martin leveled against Season 2 of "House of the Dragon," the adaptation of his novel "Fire & Blood.