Mark Ruffalo

as FBI Agent Tom Brandis

Emilia Jones

as Maeve Prendergrast

Fabien Frankel

as Anthony Grasso

Thuso Mbedu

as Aleah Clinton

Silvia Dionicio

as Emily Brandis

Tom Pelphrey

as Robbie Prendergrast

Alison Oliver

as Elizabeth "Lizzie" Stover

Martha Plimpton

as Kathleen McGinty

Jamie McShane

as Perry "Dizzy" Dorazo

Sam Keeley

as Jayson "Oak" Wilkes