Alien: Earth

Sydney Chandler

Wendy / Wendy/Marcy

Alex Lawther

Hermit / Joe DiMaggio Hermit

Essie Davis

Dame Sylvia

Samuel Blenkin

Boy Kavalier

Babou Ceesay

Kumi Morrow / Morrow

Adarsh Gourav

Slightly

Erana James

Curly

Lily Newmark

Nibs

Jonathan Ajayi

Smee

David Rysdahl

Arthur Sylvia

Diêm Camille

Siberian

Moe Bar-El

Benjamin Rashidi / Rashidi

Adrian Edmondson

Atom Eins / Cliff Walker

Timothy Olyphant

Kirsh

Noah Pierre

Little Boy in space

Noah Pierre

Space Station Bot (voice)

Noah Pierre

AI (voice)

Noah Pierre

AI (voice)

Richa Shukla Moorjani

Zaverni / Zoya Zaveri

Lev Hawley

Hermit (Child) / Hermit Child / Young CJ Hermit

Lloyd Everitt

Hoyt

Michael Smiley

Schmuel / Shmuel

Florence Bensberg

Marcy

สหจักร บุญธนกิจ

Chief Nagg

Pattarasuda Anumanrajadhon

Ops Hamm

Dean Alexandrou

Bergerfeld

Tayme Thapthimthong

Anant

Andy Yu

Mr. Teng / Teng / 滕

ปริญญา อินทชัย

Brahma

Rishi Kuppa

Child Slightly

Lorelei Winterfrost

Child Curly

Elsie Lees

Child Nibs

Riotafari Gardner

Child Smee

Remi Dabiri-McQuaid

Child Tootles

Victoria Masoma

Sullivan

Tanapol Chuksrida

Dinsdale

ณัฏฐ์ เทพหัสดิน ณ อยุธยา

Cortez

Maksim Maltykov

Technician #1

Malik Tyshawn Louis

Technician #2

Kamolpon Akaradolyakul

Crying Girl

Prachaya Kummuang

Hermit's Roommate (Father)

Thopat Khammueang

Hermit's Roommate (Mother)

Boonluksa Khummuang

Hermit's Roommate (Child #1)

Boonyada Khummuang

Hermit's Roommate (Child #2)

Mariam Khummaung

Hermit's Roommate (Grandmother)

Amir Boutrous

Rahim / 拉希姆

Karen Aldridge

Chibuzo / 奇布祖

Jamie Bisping

Malachite / 玛拉凯特

Margaret Klimova

Marcy (Infant)

Murad Yapici

Middle Eastern Member of the 5

Lois-Tere Howard

African Member of the 5

Max Rinehart

Bronski / 布朗斯基

Enzo Cilenti

Petrovich / 彼得罗维奇

Olga Butorina

Nordic Member of the 5

Russell Geoffrey Banks

Maginot Crew #1

Mona Alma Monika Breitung

Maginot Crew #2

David Bark-Jones

Wealthy Resident / Wealthy Tower Resident

Byron Bishop

Tanaka

Stephen Thomas

HR Bot (voice)

Devinron Ready

Prodigy Soldier

Anjana Ghogar

Meera Singh

Thomas Dambrowski

Second Officer

Noah Hawley

Hermit & Marcy's Dad / Hermit's Father

Tom Moya

Clem / 克莱姆

Haddy Ceesay

Estelle

Andre Flynn

Barrister McAfee

Sandra Yi Sencindiver

Yutani

Kit Young

Isaac / Tootles / Tootles / Isaac

วรินทร ญารุจนนทน์

Body Man

Ron Smoorenburg

TR-1 Security

Cameron Brown

Xenomorph (uncredited)