Richard Madden as Peter

Flora Spencer-Longhurst as Bea

Moshidi Motshegwa as Lily

Aislín McGuckin as Vivian Hades

Jonjo O'Neill as David Morgan

Lemogang Tsipa as Male Nurse

Haley Joel Osment as Sy

Antje Traue as Sara Keller

Mark Addy as Halloran

Michael James Shaw as B.G

Anil Kapoor as Vikram Danesh

Maureen Sebastian as Alicia Reyes

Michael Shaeffer as Phelps

Zawe Ashton as Severin

Stephen Jennings as Baker