EXCLUSIVE:Anthony Edwards(ER,Top Gun) andJ.

Smith-Cameron(Succession,Hacks)join Elizabeth Olsen and Cristin Milioti in theFXdrama pilotSeven Sisters.

They join Milioti,who we revealed yesterday will portray Olsens characters sister.

Anthony Edwards and J. Smith-Cameron

Anthony Edwards and J. Smith-CameronAlexandra Arnold

Watch on Deadline

Edwards is best known for playing Dr. Mark Greene on the hit medical seriesER.

For his portrayal, he received four Emmy nominations for Outstanding Lead Actor in a Drama Series.

Additionally, he directed several episodes of the medical drama.

‘Welcome To Wrexham’ Season 4

He is also recognized for portraying Goose in the blockbuster feature,Top Gun.

Edwards made his feature directing debut withMy Dead Boyfriendin 2016.

He recently starred in the Apple seriesWeCrashedand the Netflix mini-seriesInventing Anna.

Edwards was an executive producer of the HBO biopicTemple Grandin, which won multiple Emmys and Golden Globes.

He is represented by Gersh and Lovett Management.

Smith-Cameron is best known for starring as a series regular on the hit HBO seriesSuccession.

On the big screen, Smith-Cameron played Joan in her husband Kenneth Lonergans 2011 filmMargaret.

She also starred in Blumhouse and Focus Features thrillerVengeance, the directorial debut of B.J.

Novak, andThe Year Between, an independent drama feature from Alex Heller.

She is repped by Principal Entertainment LA, Gersh and Schreck Rose Dapello.