The cast of FX’sAlien: Earthfeatures a wide variety of acclaimed actors, up-and-coming stars, science fiction icons, and more, and they’re all worth getting to know.Alien: Earthis the first time theAlienfranchise has gone to Earth (in canon) sinceAlien: Resurrection. As such, it takes place earlier intheAlientimelinethan most of the other films, and features a brand-new cast of characters.
By nature of its story,Alien: Earthfeatures a very wide variety of characters and actors. From young stars playing the childlike hybrids known as the Lost Boys to older veterans of science fiction, the cast ofAlien: Earthis dripping with talent. Here’s what you need to know about the newest group of characters to take on a Xenomorph.
Sydney Chandler as Wendy
Date of Birth: June 21, 2025
Actor: Sydney Chandler was raised in the suburbs of Austin, Texas.Chandler had her breakthrough role in 2022, when she had a starring role as Chrissie on the FX miniseriesPistol. Since then, Chandler has had two more major acting roles, inDon’t Worry Darlingand Apple TV+‘sSugaropposite Colin Farrell. Chandler also works as a writer, as she wrote the short filmChemistry.
SKAM Austin
Eve
Character: Sydney Chandler plays Wendy inAlien: Earth. Wendy is one ofAlien: Earth’s hybrids, a synthetic body infused with the mind of a human child. Known as Marcy as a child, she had a terminal illness and agreed to be part of Prodigy’s experimentation into immortality. Now, Wendy takes an opportunity to search for her long-lost brother, Hermit.
Alex Lawther as Joe “Hermit”
Date of Birth: June 17, 2025
Actor: Alex Lawther was born in Petersfield, Hampshire, England.Lawther had his breakthrough role in 2014, when he played the younger version of Benedict Cumberbatch’s character, Alan Turing, inThe Imitation Game. Since then, Lawther has continued to have a prolific acting career, mostly in television shows likeThe End of the F***ing WorldandAndor.
Black Mirror: Shut Up and Dance
The Imitation Game
Young Alan Turing
Character: Alex Lawther plays Joe, also known as “Hermit,” inAlien: Earth. Hermit is Marcy’s brother, though he has no knowledge of Prodigy’s hybrid program or that Marcy is now Wendy. Believing his family is dead, Hermit works for the Prodigy Corporation as a medic that assists a group of mercenaries. That role brings him intothe USCSSMaginotwhen it crash-lands on Earth.
Timothy Olyphant as Kirsh
Date of Birth: June 06, 2025
Actor: Timothy Olyphant was born in Honolulu, Hawaii and raised in Modesto, California.Olyphant had his breakthrough role in 2004, when he began playing Seth Bullock on HBO’sDeadwood. Olyphant had a respectable career beforeDeadwood, as he starred in movies likeScream 2andGo. He has since gone on to have a very prolific TV career in shows likeJustifiedandSanta Clarita Diet.
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Todd Gaines
Character: Timothy Olyphant plays Kirsh inAlien: Earth. Kirsh is one ofAlien’s synthetics (or androids)and a chief scientist for the Prodigy corporation, and he acts as a guardian and teacher to the Lost Boys, the group of hybrids including Wendy. Kirsh views himself and the hybrids as a higher form of life than “animals” like humans.
Samuel Blenkin as Boy Kavalier
Date of Birth: August 12, 2025
Actor: Samuel Blenkin was born in Cheltenham, Gloucestershire, England.Blenkin had his breakthrough acting role not in a movie or TV show, but in the West End theatrical production ofHarry Potter and the Cursed Child, where he played Scorpius Malfoy. Since then, Blenkin has had notable roles in shows likeBlack MirrorandThe Witcher: Blood Origin.
The Witcher: Blood Origin
Avallac’h
Character: Samuel Blenkin plays Boy Kavalier inAlien: Earth. Boy Kavalier is the CEO of Prodigy Corporation, the newest company dominating Earth. Described as a child prodigy and genius, Boy Kavalier is wildly confident in himself and his intelligence. He designed the technology used to create the hybrids, and he believes it’s humanity’s best chance at immortality.
Babou Ceesay as Morrow
Date of Birth: July 19, 2025
Actor: Babou Ceesay was born in Barnet, Middlesex, England, though he grew up in West Africa.Ceesay had his breakthrough role in 2017, when he starred inGuerrilla. Ceesay had a few prominent roles in British movies and shows prior toGuerrilla, such asSeverance(2006) andGetting On. More recently, Ceesay has had starring roles in shows likeInto the BadlandsandWe Hunt Together.
‘71
Eye in the Sky
Sergeant Mushtaq Saddiq
Character: Babou Ceesay plays Morrow inAlien: Earth. Morrow is a cyborg, a human whose body has been modified using cybernetic technology. Specifically,Morrow’s arm has been replacedand can now transform into a variety of tools. Morrow works for Weyland-Yutani and is the sole survivor of theMaginot’s crash landing. He is tasked with recovering the escaped samples of the journey.
Essie Davis as Dame Sylvia
Date of Birth: Jul 18, 2025
Actor: Essie Davis was born in Hobart, Tasmania, Australia.Davis had her worldwide breakthrough role in 2014’sThe Babadook. Prior to that, Davis had a few notable roles in movies likeThe Matrix ReloadedandGirl with a Pearl Earring. After 2014, Davis has focused much more on TV shows likeExposureandFaraway Downs.
Cal’s mother
The Matrix Reloaded
Maggie
Character: Essie Davis plays Dame Sylvia inAlien: Earth. Dame Sylvia is another scientist at Prodigy, and she has a crucial role in the hybrid experiments. Described as a warm soul, Dame Sylvia acts as a mother figure to the Lost Boys and provides emotional support to the children.
Alien: Earth Supporting Cast & Characters
Adarsh Gourav as Slightly: Adarsh Gourav plays Slightly inAlien: Earth. Slightly is a member of the Lost Boys and a close friend of Wendy, though he acts more childishly than she does. Gourav is known primarily for Indian movies and shows likeGuns & GulaabsandThe White Tiger.
Jonathan Ajayi as Smee: Jonathan Ajayi plays Smee inAlien: Earth. Another Lost Boy, Smee is an eager and willing member of the group who is just happy to be there. Ajayi is known for shows likeVigiland movies likeChief of Station.
Erana James as Curly: Erana James plays Curly inAlien: Earth. Curly is another Lost Boy, but she is even more grateful to Boy Kavalier and Prodigy than her friends and teammates are. James is known for shows likeThe WildsandBad Behaviour.
Lily Newmark as Nibs: Lily Newmark plays Nibs inAlien: Earth. Nibs is another Lost Boy, and since she was the sickest child before entering her hybrid body, she has a hard time adjusting. Newmark is known for movies likeSolo: A Star Wars StoryandPincushion.
Kit Young as Tootles: Kit Young plays Tootles inAlien: Earth. Tootles is the last member of the Lost Boys, and he was the oldest as a human before becoming a hybrid. Young is known for shows likeShadow and Boneand movies likeThe Beautiful Game.
Diêm Camille as Siberian: Diêm Camille plays Siberian inAlien: Earth. Siberian is a mercenary who works with Hermit, and she looks out for him in a somewhat sibling-like way. Camille is known for shows likeThe Wheel of TimeandWashington Black.
David Rysdahl as Arthur Sylvia: David Rysdahl plays Arthur Sylvia inAlien: Earth. Arthur is married to Dame Sylvia, and he also works as a scientist on the hybrid project. Rysdahl is known for movies likeDead PigsandNine Days.
Sandra Yi Sencindiver as Yutani: Sandra Yi Sencindiver plays Yutani inAlien: Earth. Yutani is one of the leaders of the infamous Weyland-Yutani corporation, and her grandmother sent theMaginoton its mission 65 years prior to the show. Sencindiver is known for shows likeFoundationandGeek Girl.
