Episode 1 S01 E01

Paapa Essiedu (as George Addo) Rudi Dharmalingam (as Shiv Reddy) Tom Burke (as Dennis Rebrov) Anjli Mohindra (as Archie) Caroline Quentin (as Elizabeth 'Wes' Wesley) Charly Clive (as Sarah Leigh) Brian Gleeson (as Ross Keane) Vinette Robinson (as Janet Daniels) Elaine Tan (as Zhang Rhui) Sam Troughton (as Dr. Henry Samson) Colin Salmon (as Robin Lerner) Zoe Telford (as Dr. Kitty Gray) Royce Pierreson (as Bryson)

time travel anxious inspirational dramatic ambiguous harsh