Alien: Earth (TV) Cast
The cast of Alien: Earth. Updated on August 18, 2025.
15 actors
Sydney Chandler
as Wendy (8 episodes)

Wendy is a young woman who finds herself involved with a group of tactical soldiers after a space vessel crashes on Earth.

Alex Lawther
as Hermit (8 episodes)

Hermit is a character who becomes part of the group dealing with the crash-landing event.

Essie Davis
as Dame Sylvia (8 episodes)

Dame Sylvia is engaged in the unfolding events following the space vessel's crash on Earth.

Adarsh Gourav
as Slightly (8 episodes)

Slightly, played by Adarsh Gourav, is one of the characters involved in the series.

Kit Young
as Tootles (8 episodes)

Tootles is part of the group handling the situation after the crash-landing.

Timothy Olyphant
as Kirsh (8 episodes)

Kirsh is among the tactical soldiers in the storyline of Alien: Earth.

David Rysdahl
as Arthur Sylvia (8 episodes)

Arthur Sylvia is a character involved in the narrative of Alien: Earth.

Babou Ceesay
as Morrow (8 episodes)

Morrow is one of the individuals associated with the crash-landing event.

Erana James
as Curly (8 episodes)

Curly plays a role in the unfolding events after the space vessel crash.

Lily Newmark
as Nibs (8 episodes)

Nibs is part of the group that deals with the post-crash scenario.

Adrian Edmondson
as Atom Eins (8 episodes)

Atom Eins is involved in the storyline surrounding the crash on Earth.

Samuel Blenkin
as Boy Kavalier (8 episodes)

Boy Kavalier is engaged in the series narrative focused on the crash-landing incident.

Jonathan Ajayi
as Smee (8 episodes)
Diêm Camille
as Siberian (8 episodes)
Sandra Yi Sencindiver
as Yutani (8 episodes)
For the best insights and data about the TV show Alien: Earth, visit our main Alien: Earth page.