Casting:
Asa-Butterfield, Gillian-Anderson, Ncuti-Gatwa, Emma-Mackey, Connor-Swindells, Kedar-Williams-Stirling, Aimee-Lou-Wood, Alistair-Petrie, Mimi-Keene, Samantha-Spiro, Chinenye-Ezeudu, Tanya-Reynolds, George-Robinson, Patricia-Allison, Jim-Howick, Mikael-Persbrandt, Rakhee-Thakrar, Chris-Jenks