Kate Mara

Character: Lee Weathers

Anya Taylor-Joy

Character: Morgan

Toby Jones

Character: Dr. Simon Ziegler

Rose Leslie

Character: Dr. Amy Menser

Boyd Holbrook

Character: Skip Vronsky

Michelle Yeoh

Character: Dr. Lui Cheng

Jennifer Jason Leigh

Character: Dr. Kathy Grieff

Paul Giamatti

Character: Dr. Alan Shapiro

Michael Yare

Character: Ted Brenner

Chris Sullivan

Character: Dr. Darren Finch

Vinette Robinson

Character: Dr. Brenda Finch

Brian Cox

Character: Jim Bryce

Crispian Belfrage

Character: Charles Grimes

Amybeth McNulty

Character: Morgan (age 10)

Jonathan Aris

Character: David Chance

Charlotte Asprey

Character: Executive Assistant

Frank Cannon

Character: CIA Agent