The Gilded Ageis expanding its ensemble.

Wever will play Monica O Brien, the estranged sister of Bertha (Carrie Coon).

But even those at the helm of this new era may find that change comes at a cost.

Bill Camp, Merritt Wever, Leslie Uggams, Lisagay Hamilton, Jessica Frances Dukes, Andrea Martin, Hattie Morahan and Paul Alexander Nolan

Clockwise Top L-R: Bill Camp, Merritt Wever, Leslie Uggams, Lisagay Hamilton, Jessica Frances Dukes, Andrea Martin, Hatti Morahan and Paul Alexander NolanCourtesy of HBO

Camp is represented by Innovative Artists and Franklin, Weinrib, Rudell and Vassallo.

Wever is represented by Innovative Artists and Viking Entertainment.

Uggams is represented by BRS/Gage Talent Agency.

Harry Richardson and Louisa Jacobson in ‘The Gilded Age’ Season 3

Hamilton is represented by Greenlight Management and Innovative Artists.

Nolan is represented by Schachter Entertainment and Gersh.

Morahan is represented by Authentic Talent and Literary Management and United Agents.

Martin is represented by Innovative Artists.

Dukes is represented by Schachter Entertainment, Innovative Artists, and Schreck Rose Dapello Adams Berlin, & Dunham.

The Gilded Ageis a co-production between HBO and Universal Television, a division of Universal Studio Group.