Keira Knightley

as Helen Webb

6 episodes

Ben Whishaw

as Sam Young

6 episodes

Sarah Lancashire

as Mrs. Reed

6 episodes

Andrew Buchan

as Wallace

6 episodes

Andrew Koji

as Jason

6 episodes

Omari Douglas

as Michael

6 episodes

Sam Troughton

as Stephen Yarrick

6 episodes

Ella Lily Hyland

as Williams

6 episodes

Isabella Wei

as Kai-Ming

6 episodes

Charlotte Rice-Foley

as Jacqueline

6 episodes

Taylor Sullivan

as Oliver

6 episodes

Gabrielle Creevy

as Eleanor

5 episodes

Agnes O'Casey

as Dani

4 episodes

Molly Chesworth

as Marie

4 episodes

Ken Nwosu

as Bill

4 episodes

Kathryn Hunter

as Lenny

4 episodes

Luther Ford

as Hector Newman

4 episodes

Ebony Francis-Peddie

as Ruby

4 episodes

Finn Bennett

as Cole Atwood

4 episodes

Tai Yin Chan

as Wu Lin

4 episodes

Dan Li

as Chang Hao

4 episodes

Callum Coates

as Thomas

4 episodes

Adam Silver

as Arnie

3 episodes

Nathan Stewart-Jarrett

as Zack

3 episodes

Sally Scott

as Political Correspondent

3 episodes