The 100 (TV) Cast
The cast of The 100. Updated on September 18, 2025.
235 actors
Eliza Taylor
as Clarke Griffin (100 episodes)

Eliza Taylor portrays the character of Clarke Griffin in The 100. Clarke is a determined and resourceful young woman who becomes one of the leaders of the group. She is known for her intelligence and bravery, often making difficult decisions for the survival of her people.

Bob Morley
as Bellamy Blake (100 episodes)

Bob Morley portrays the character of Bellamy Blake in The 100. Bellamy is a charismatic and protective leader who often clashes with Clarke but eventually becomes her close ally. Throughout the series, he faces numerous moral dilemmas and personal challenges.

Lindsey Morgan
as Raven Reyes (94 episodes)
Marie Avgeropoulos
as Octavia Blake (100 episodes)

Marie Avgeropoulos plays the role of Octavia Blake in The 100. Octavia is a strong and independent young woman who initially lived in secrecy due to strict population control measures on the spaceship. She later becomes a skilled warrior and plays a significant role in the group's survival.

Thomas McDonell
as Finn Collins (29 episodes)

Thomas McDonell plays the role of Finn Collins in The 100. Finn is a skilled and compassionate young man who becomes a love interest of Clarke. He is known for his peacekeeping efforts and his loyalty towards his friends and loved ones.

Richard Harmon
as John Murphy (86 episodes)
Tasya Teles
as Echo (33 episodes)

Tasya Teles portrays the character of Echo in The 100. Echo is a skilled warrior and spy who initially works for a rival group. As the series progresses, her loyalties and allegiances become more complex, leading her to form relationships and alliances with the main group.

Luisa d'Oliveira
as Emori (48 episodes)
Tati Gabrielle
as Gaia (38 episodes)
Shannon Kook
as Jordan Green (29 episodes)
JR Bourne
as Russell Lightbourne VII / Sheidheda (16 episodes)
Devon Bostick
as Jasper Jordan (58 episodes)

Devon Bostick portrays the character of Jasper Jordan in The 100. Jasper is a witty and fearless member of the group who provides comic relief. However, he also goes through significant emotional challenges and struggles with trauma throughout the series.

Bethany Brown
as Jade Royal Guard/ Jasmine Mason VIII (13 episodes)
Chuku Modu
as Gabriel Santiago (16 episodes)

Chuku Modu plays the role of Gabriel Santiago in The 100. Gabriel is a mysterious and enigmatic character with a complex past. As the series progresses, his true nature and motivations are revealed, impacting the group and their journey.

Isaiah Washington
as Thelonious Jaha (71 episodes)
Shelby Flannery
as Hope Diyoza (16 episodes)
Zach McGowan
as Roan (14 episodes)
Adina Porter
as Indra (34 episodes)
Jarod Joseph
as Nathan Miller (100 episodes)
Jessica Harmon
as Niylah (31 episodes)
Lola Flanery
as Madi Griffin (16 episodes)
Ricky Whittle
as Lincoln (42 episodes)
Paige Turco
as Dr. Abigail Griffin (84 episodes)
Christopher Larkin
as Monty Green (71 episodes)
Henry Ian Cusick
as Marcus Kane (74 episodes)
Terry Chen
as Commander Shumway (5 episodes)
Kelly Hu
as Callie 'Cece' Cartwig (1 episode)
Rhys Ward
as Atom (2 episodes)
Izabela Vidovic
as Charlotte (2 episodes)
Shane Symons
as Jones (3 episodes)
Chloe Babcook
as Trina (1 episode)
Zach Martin
as Pascal (1 episode)
Austin J.M. Ross
as Tim Barlet (uncredited) (1 episode)
Saidah Arrika Ekulona
as Nygel (1 episode)
Christine Willes
as Vera Kane (3 episodes)
Josh Ssettuba
as Connor (4 episodes)
Brad Kelly
as Harris (1 episode)
Lilah Fitzgerald
as Reese Lemkin (1 episode)
Mac Brandt
as Tor Lemkin (1 episode)
Celia Reid
as Roma (2 episodes)
Alyson Bath
as Bree (1 episode)
Monique Ganderton
as Aurora Blake (1 episode)
Giacomo Baessato
as Diggs (1 episode)
Víctor Ayala
as Horace (1 episode)
Kate Vernon
as Diana Sydney (3 episodes)
Levi Meaden
as Drew (3 episodes)
Victor Zinck Jr.
as Dax (2 episodes)
Jonathan Alexander
as Deek (2 episodes)
Dichen Lachman
as Anya (7 episodes)
Keenan Tracey
as Sterling (7 episodes)
Wesley MacInnes
as Derek (1 episode)
Steve Talley
as Kyle Wick (5 episodes)
Alison Thornton
as Tris (1 episode)
Brendan Meyer
as Myles (2 episodes)
Joseph Gatt
as Tristan (3 episodes)
Ella Pitkin
as Young Clarke (1 episode)
Raymond J. Barry
as President Dante Wallace (9 episodes)
Eve Harlow
as Maya Vie (13 episodes)
Rekha Sharma
as Dr. Tsing (9 episodes)
Kendall Cross
as Major Byrne (8 episodes)
Aaron Hutchinson
as Sgt. Langston (1 episode)
Brendon Zub
as Delano (2 episodes)
Cameron Roberts
as Artigas (2 episodes)
Jaeson Lee
as Tomac (1 episode)
Nick Hunnings
as Lee (4 episodes)
Colin Lawrence
as Rivo (2 episodes)
Luvia Petersen
as Sienna (1 episode)
Tanaya Beatty
as Mel (2 episodes)
Finn Wolfhard
as Zoran (1 episode)
Chad Riley
as Osias (1 episode)
Johnny Whitworth
as Cage Wallace (10 episodes)
Michael J Rogers
as Denby (2 episodes)
Aleks Paunovic
as Gustus (4 episodes)
Bart Anderson
as Griff (1 episode)
Toby Levins
as Lt. Carl Emerson (7 episodes)
Patrick Sabongui
as Sindri (1 episode)
Graham Shiels
as Quint (1 episode)
James Michalopolous
as Fio (2 episodes)
Aatash Amir
as Atohl (2 episodes)
Glenn Ennis
as Ryder (2 episodes)
Ian Tracey
as Vincent (3 episodes)
Morgan Taylor Campbell
as Caris (2 episodes)
Aaron Miko
as John Mbege (4 episodes)
Rob Hayter
as Whitman (1 episode)
Jedidiah Goodacre
as Craig (2 episodes)
Tiara Sorensen
as Lily (1 episode)
Jackson Berlin
as Garza (1 episode)
James Pizzinato
as Richards (2 episodes)
Graem Beddoes
as Harris (1 episode)
Shawn Mendes
as Macallan (1 episode)
Leah Gibson
as Gina Martin (2 episodes)
Rhiannon Fish
as Ontari (7 episodes)
Nesta Cooper
as Shay (1 episode)
Chai Hansen
as Ilian (7 episodes)
Gerardo Barcala
as Ark Civilian (1 episode)
Jane Craven
as Miss Lucy (1 episode)
Fulvio Cecere
as Inspector Grus (1 episode)
Cole Vigue
as Hardy (3 episodes)
Artine Brown
as Lt. Graco (2 episodes)
Cory Gruter-Andrew
as Aden (4 episodes)
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