The Swarm (TV) Cast
The cast of The Swarm. Updated on September 13, 2025.
62 actors
Alexander Karim
as Dr. Sigur Johanson (8 episodes)

Alexander Karim plays the role of Dr. Sigur Johanson in The Swarm. Dr. Johanson is a key scientist involved in the struggle to understand and combat the swarm intelligence threatening humanity.

Cécile de France
as Dr. Cécile Roche (8 episodes)

Cécile de France portrays the character Dr. Cécile Roche in The Swarm. Dr. Roche is another important scientist working diligently to unravel the mysteries of the swarm intelligence and protect humanity.

Leonie Benesch
as Charlie Wagner (8 episodes)

Leonie Benesch takes on the role of Charlie Wagner in The Swarm. Charlie is a determined individual who becomes entangled in the fight against the swarm intelligence and plays a vital part in the larger narrative.

Joshua Odjick
as Leon Anawak (8 episodes)

Joshua Odjick brings Leon Anawak to life in The Swarm. Leon is a character who finds himself drawn into the efforts to confront and understand the mysterious swarm intelligence.

Takehiro Hira
as Riku Sato (8 episodes)

Takehiro Hira portrays Riku Sato in The Swarm. Riku is a key figure in the story, contributing his unique perspective and skills to the fight against the imminent threat.

Krista Kosonen
as Tina Lund (8 episodes)

Krista Kosonen plays the role of Tina Lund in The Swarm. Tina is a character who joins the group of scientists and protagonists working to uncover the secrets of the swarm intelligence.

Rosabell Laurenti Sellers
as Alicia Delaware (8 episodes)

Rosabell Laurenti Sellers portrays Alicia Delaware in The Swarm. Alicia is a pivotal character whose actions and decisions have a profound impact on the unfolding events.

Barbara Sukowa
as Prof. Katherina Lehmann (8 episodes)

Barbara Sukowa takes on the role of Prof. Katharina Lehmann in The Swarm. Prof. Lehmann brings her expertise and knowledge to the team of scientists collaborating to combat the swarm intelligence.

Oliver Masucci
as Jasper Alban (8 episodes)
Klaas Heufer-Umlauf
as Luther Roscovitz (8 episodes)
Lydia Wilson
as Sara Thompson (8 episodes)
Takuya Kimura
as Aito Mifune (8 episodes)
Sharon Duncan-Brewster
as Samantha Crowe (8 episodes)
Alba Gaïa Bellugi
as Isabelle Roche (8 episodes)
Alessandra Arcangeli
as Lilitha (8 episodes)
Andrea Guo
as Jess (8 episodes)
Astrid Meloni
as Mother (8 episodes)
Bruce McGuire
as Clive Roberts (8 episodes)
Christian Burruano
as Miguel Gilberto (8 episodes)
Claudia Jurt
as Dr. Natalia Oliviera (8 episodes)
David Menkin
as Stephen Peak (8 episodes)
David Vormweg
as Tomas (8 episodes)
Denise McNee
as Betty Harkins (8 episodes)
Dutch Johnson
as O'Bannon (8 episodes)
Eidin Jalali
as Rahim Amir (8 episodes)
Elisabeth McCreton
as Co-Pilot (8 episodes)
Elizabeth Kinnear
as Lizzie Stringer (8 episodes)
Enrica Cortese
as Alaina (8 episodes)
Eva Röse
as Erika Skaugen (8 episodes)
Fabien Lucciarini
as Lucien Bisset (8 episodes)
Francis Pardeilhan
as Bouquillon (8 episodes)
Franziska Weisz
as Sophia Granelli (8 episodes)
Gerald Kyd
as Michael Roche (8 episodes)
Gerhard Koloneci
as Demiri (8 episodes)
Hal Yamanouchi
as Akito Nakamura (8 episodes)
Havana Alfarano
as Maria (8 episodes)
Isnaba Na Montche
as Mesuli (8 episodes)
Jack Greenlees
as Douglas (8 episodes)
Jacopo Olmo Antinori
as Elijah (8 episodes)
Jason Derek Prempeh
as Rafal Keita (8 episodes)
Jucinei Cardoso
as Juan (8 episodes)
Kari Corbett
as Iona (8 episodes)
Maddalena Vallecchi Williams
as RCMP Officer (8 episodes)
Marcus Marcelli
as Naval Officer (8 episodes)
Margot Vanilla Caricati
as Young Girl (8 episodes)
Marleen Scholten
as Laura Crowe (8 episodes)
Maxence Dinant
as French Driver (8 episodes)
Melanie Neu
as Morton (8 episodes)
Michele Favaro
as Max (8 episodes)
Nathalie Rapti Gomez
as Receptionist (8 episodes)
Paolo Bernardini
as Aide (8 episodes)
Pavel Zelinskiy
as Ivan Devinik (8 episodes)
Rachel Braunschweig
as Ms Astier (8 episodes)
Richard Ulfsäter
as Kare (8 episodes)
Rune Temte
as Aaren Stone (8 episodes)
Sheena Hao
as Weei Fu (8 episodes)
Thierry Toscan
as Fishmonger (8 episodes)
Valeria Milillo
as Francesca Delaware (8 episodes)
Violetta Calderini-Jackson
as Sophia (8 episodes)
Vittorio Fiorini
as Louis Roche (8 episodes)
Wayne Charles Baker
as Kit (8 episodes)
Yonv Joseph
as Mousa Kofi (8 episodes)
For the best insights and data about the TV show The Swarm, visit our main The Swarm page.