Fielding Scott (6 episodes, 2020)
Severine Bloch (6 episodes, 2020)
Eliza Hahn (6 episodes, 2020)
Ulrike Faber (6 episodes, 2020)
Aldous Petrie (6 episodes, 2020)
Reinhart (6 episodes, 2020)
August Froben (5 episodes, 2020)
Conrad Greer (5 episodes, 2020)
Torrance Dunn (5 episodes, 2020)
Merkur (5 episodes, 2020)
Ian / Ian Stuart-Hay (4 episodes, 2020)
Viktor Kovrin (4 episodes, 2020)
Oden Hempel (4 episodes, 2020)
Max Delavenay (4 episodes, 2020)
George Brotherton (3 episodes, 2020)
Vasily Lubkov (3 episodes, 2020)
Matthias (Waiter) (3 episodes, 2020)
Thorwald (2 episodes, 2020)
Friedericke Stahl (2 episodes, 2020)
Manfred Ziegler (1 episode, 2020)
Ahmed Dahar (1 episode, 2020)
(1 episode, 2020)
British Soldier One (1 episode, 2020)
Royal Institute Secretary (1 episode, 2020)
Man Number 2 (1 episode, 2020)
Russian Security Guard (1 episode, 2020)
General Miller (2019) (unknown episodes)
Manfred Gustl (2019) (unknown episodes)
Man #1 (2019) (unknown episodes)
Traudel Ziegler (2019) (unknown episodes)
London Institute worker (2019) (unknown episodes)
Fabien Saulus (2019) (unknown episodes)
Young Russian Man (2019) (unknown episodes)
Karin Barnekow (unknown episodes)