Whether you’re a big fan of “The 100” or just starting to explore the amazing world created by Kass Morgan, this blog is the perfect place for everything about the cast. We’ll talk about their real-life personalities, career highlights, and how they brought our favorite characters to life.
From the people on the Ark to the Grounders and others struggling after Earth’s destruction, we’ll learn all about the talented actors behind these roles.
Table of Contents
The 100 Cast Evolution: How Characters Grew and Changed
‘The 100’ movie actors showed their amazing acting skills, making us feel so many emotions with their powerful performances. We’ll see how their characters changed and went through good and tough times, experiencing victories, and sorrows, and finding themselves along the way.
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Clarke Griffin (played by Eliza Taylor)

Clarke is one of the main heroes and a born leader. She’s smart, clever, and caring. At the beginning of the series, she’s a 17-year-old learning to be a medical helper, and her mom, Abby Griffin, is the top doctor on a space station called Ark. This station holds the last humans after a nuclear disaster on Earth.
Clarke and other young troublemakers are sent to Earth to see if it’s safe to live there. As the series goes on, she becomes a strong and strategic leader, making tough choices for the well-being of her people.
Abigail “Abby” Griffin (played by Paige Turco)

Abby is Clarke’s mom and one of the grown-ups on the Ark. She’s the top doctor and later becomes the Chancellor. Abby cares a lot about her people’s well-being and works hard for their survival. Her relationship with Clarke is a bit complex, but it becomes stronger as they tackle the challenges of living on Earth.
Bellamy Blake (played by Bob Morley)

Bellamy is one of the main heroes, and he’s a leader alongside Clarke. At first, he’s a selfish and careless troublemaker on the Ark, but on Earth, he changes into a responsible and protective person, especially towards his younger sister, Octavia. Bellamy is famous for being loyal, brave, and great at bringing people together.
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Octavia Blake (played by Marie Avgeropoulos)

Octavia is Bellamy’s little sister, and she had to hide her whole life on the Ark because there were too many people. But when they go to Earth, she finally gets to be free, and she becomes a good fighter.
Octavia learns a lot about herself and grows into a strong and independent woman. She’s not afraid to go against what others think she should do.
Raven Reyes (played by Lindsey Morgan)

Raven is a super-smart and skilled engineer who is important for the group’s survival on Earth. She’s clever, brave, and very loyal to her friends. Raven has a bit of a complicated love life with Finn Collins, but later on, she becomes close with Wick and other members of the group.
Marcus Kane (played by Henry Ian Cusick)

Kane is first a strict and powerful person on the Ark, with a lot of authority. But when he comes to Earth, he starts to doubt his beliefs and becomes a kinder and fairer leader. Kane helps bring peace between different groups and is ready to make sacrifices for everyone’s benefit.
John Murphy (played by Richard Harmon)

Murphy is one of the troublemakers sent to Earth. At first, he’s mean, tricky, and wants to get back at others. But as time goes on, he changes and becomes less clear about what’s right and wrong. Even though he has his faults, sometimes he shows he’s still got a human side and knows how to survive in tough situations.
Monty Green (played by Christopher Larkin)

Monty is good with technology and a close friend of Jasper Jordan. He’s kind, smart, and always there to help with tech stuff. Monty knows what’s right and wrong, and he’s a trustworthy and important part of the group.
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Jasper Jordan (played by Devon Bostick)

Jasper is one of the troublemakers, and he’s Monty’s closest friend. At first, he’s carefree and hopeful, but after facing tough experiences on Earth, he goes through a lot of pain and has a more negative view of life.
Thelonious Jaha (played by Isaiah Washington)

Jaha is the leader of the Ark at the start of the series. He’s really smart and everyone looks up to him. Jaha goes on a journey to Earth, looking for a legendary City of Light, and he has to deal with lots of difficult situations on his way there.
Lincoln (played by Ricky Whittle)

Lincoln is part of the Grounders, a group of native people who survived the apocalypse on Earth. He’s caring and open-minded, not following the violent ways of his people. Lincoln falls in love with Octavia, and their relationship helps bring the Grounders and the Sky People closer together.
Indra (played by Adina Porter)

Indra is a strong and admired warrior from the Grounders. She becomes friends with the Sky People and helps unite the two groups. Indra is strict and full of honor, and she cares about her people and is very loyal to them.
Nathan Miller (played by Jarod Joseph)

Miller is a talented warrior and one of the first 100 troublemakers sent to Earth. He’s calm and faithful, always offering a sensible viewpoint when things get tough.
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Other Important the 100 Cast and Characters
“The 100” has several other characters that make the story really interesting. There are strong leaders, talented fighters, kind friends, and tricky enemies. All these characters add so much to the story, and they stay in our minds even after we watch the show.
Eric Jackson (played by Sachin Sahel)
Jackson is a trainee in medicine on the Ark, and later on Earth too. He’s Abby Griffin’s assistant in the medical department, helping her with different tasks and emergencies.
Echo (played by Tasya Teles)
Echo starts as a warrior from a group called Azgeda, who are Grounders. She’s very loyal to her people, but as time goes on, she changes and becomes a more complicated person. Echo becomes friends with the Sky People and goes through personal changes and growth.
Harper McIntyre (played by Chelsey Reist)
Harper is one of the troublemakers sent to Earth. She’s really nice, caring, and always there for her friends. Harper plays a big role in the group and helps them survive.
Emori (played by Luisa d’Oliveira)
Emori is a scavenger and a really good thief in the world after the apocalypse. Even though she had a tough life, she becomes very close to John Murphy, and their love helps her change and grow as a person.
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Roan (played by Zach McGowan)
Roan is a tough and talented warrior, who starts as a prince from Azgeda. Later on, he becomes the King of the Ice Nation and plays a really important part in the relationships and fights between the different Grounder groups and the Sky People.
Charmaine Diyoza (played by Ivana Milicevic)
Charmaine Diyoza shows up in the later seasons as a smart and charismatic leader of a group called the Eligius Corporation. She has a tricky past and becomes a strong opponent for the main characters.
Jordan Green (played by Shannon Kook)
Jordan is the son of Monty and Harper, and he was born on Ark. He grows up on the Eligius IV spaceship and becomes one of the new generations to explore what’s left of Earth.
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