The 3 Body Problem cast features Jovan Adepo, Rosalind Chao and Liam Cunningham. This info article contains minor spoilers and cast/character summaries for David Benioff, D.B. Weiss and Alexander Woo’s Netflix series. Check out more streaming guides in Vague Visages’ Know the Cast section, and then browse complete soundtrack song listings in the Soundtracks of Cinema section.

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3 Body Problem centers on a group of humans who strategize against an alien threat. When Jin plays a highly intense virtual reality game, she realizes that she’s being tested by an advanced race. The narrative follows various physicists as they anticipate the arrival of all-powerful aliens known as the San-Ti. Here’s every actor and character in 3 Body Problem, an adaptation of Liu Cixin’s 2008 novel.

Read More at VV — Know the Cast: ‘The Gentlemen’

3 Body Problem Cast: Jovan Adepo as Saul Durand

Character Profile: An Oxford-trained physicist. He is a 32-year-old man who never loved physics and doesn’t want kids. Saul struggles with an existential crisis upon being selected for the Wallfacer Project.

Adepo’s Resume: Michael Murphy in The Leftovers (2015-17), Cory in Fences (2016), PFC Edward Boyce in Overlord (2018), Will Reeves in Watchmen (2019), Sidney Palmer in Babylon (2022)

Read More at VV — Know the Cast: ‘One Day’

3 Body Problem Cast: John Bradley as Jack Rooney

Character Profile: A wealthy entrepreneur. He plays a mysterious video game with a female friend. Jack dies mysteriously in his high security home.

Bradley’s Resume: Samwell Tarly in Game of Thrones (2011-19), Giovanni de Medici in Borgia (2011), Derrick Fellner in The Brothers Grimsby (2016), Ricky Rollins in American Satan (2017), KC Houseman in Moonfall (2022)

Read More at VV — Know the Cast: ‘Everything Now’

3 Body Problem Cast: Rosalind Chao as Ye Wenjie

Character Profile: An astrophysicist. She wants to forge a new world. Ye anticipates the arrival of the San-Ti.

Chao’s Resume: Rose in The Joy Luck Club (1993), Keiko O’Brien in Star Trek: Deep Space Nine (1993-1999), Mrs. Wu in Sin City Saints (2015), Gu Kailai in The Laundromat (2019), Li in Mulan (2020)

Read More at VV — Know the Cast: ‘Griselda’

3 Body Problem Cast: Liam Cunningham as Thomas Wade

Character Profile: A mysterious businessman. He strategizes against the San-Ti. Thomas creates a space travel program known as The Staircase Project.

Cunningham’s Resume: Dan in The Wind that Shakes the Barley (2006), Father Dominic Moran in Hunger (2008), Solon in Clash of the Titans (2010), Davos Seaworth in Game of Thrones (2012-19), Walter in The Vault (2021)

Read More at VV — Know the Cast: ‘Detective Forst’

3 Body Problem Cast: Eiza González as Auggie Salazar

Character Profile: A physicist. She works for the Nanotechnology Research Center. Auggie becomes sick after being implanted with highly advanced technology.

González’s Resume: Santánico Pandemonium in From Dusk Till Dawn: The Series (2014-16), Darling in Baby Driver (2017), Madame M in Fast & Furious Presents: Hobbs & Shaw (2019), Fran in I Care a Lot (2020), Maia Simmons in Godzilla vs. Kong (2021)

Read More at VV — Know the Cast & Characters: ‘Fool Me Once’

3 Body Problem Cast: Jess Hong as Jin Cheng

Character Profile: A physicist. She learns about an advanced virtual reality game with Jack. Jin teams up with colleagues in order to prevent a threat to the human race.

Hong’s Resume: Maddy in The Brokenwood Mysteries (2021), Wellness Worker #3 in Creamerie (2021), Aifei He in Inked (2021)

Read More at VV — Know the Cast: ‘My Life with the Walter Boys’

3 Body Problem Cast: Marlo Kelly as Tatiana

Character Profile: A mysterious individual who takes orders from the San-Ti. She kills Jack in his home. Tatiana anticipates the arrival of the San-Ti on Earth.

Kelly’s Resume: Skye Peters in Home and Away (2015-16), Patricia Moore in Patricia Moore (2018), Beth Cassidy in Dare Me (2019-20), Jamie Murdock in Joe vs. Carole (2022)

Read More at VV — Know the Cast: ‘A Nearly Normal Family’

3 Body Problem Cast: Alex Sharp as Will Downing

Character Profile: A teacher. He is a fan of The Shining who suffers from terminal cancer. Will buys a star for Jin and agrees to a fateful mission in space.

Sharp’s Resume: Luke in To the Bone (2017), Enn in How to Talk to Girls at Parties (2017), Thomas Westerburg in The Hustle (2019), Rennie Davis in The Trial of the Chicago 7 (2020), Peter Wakeling in Living (2022)

Read More at VV — Know the Cast: ‘Obliterated’

3 Body Problem Cast: Sea Shimooka as Sophon

Character Profile: An artificial intelligence member of the San-Ti. She appears to Jin in a virtual reality game. Sophon warns humans about the San-Ti’s superiority.

Shimooka’s Resume: Katherine in Happy New Years (2016), Golfer #1 in Bull (2017), Emiko Queen/Green Arrow/Red Arrow in Arrow (2018-20), Jen in Pink Skies Ahead (2020), Kai in MacGyver (2020)

Read More at VV — Know the Cast: ‘All the Light We Cannot See’

3 Body Problem Cast: Zine Tseng as Young Ye Wenjie

Character Profile: A younger version of Ye. She lives on a secret military base after surviving the Chinese Cultural Revolution. Ye and her boyfriend make contact with the San-Ti.

Tseng’s Resume: TV Debut in 3 Body Problem

Read More at VV — Know the Cast: ‘Neon’

3 Body Problem Cast: Saamer Usmani as Raj Varma

Character Profile: Jin’s boyfriend. He is an officer for the British Royal Navy. Raj questions Jin’s motivations.

Usmani’s Resume: Martin in Reign (2015-17), Avery Watkins in What/If (2019), Chris in Succession (2019), Prince Errol Swoon in Katy Keene (2020), Chase Sikorski in Inventing Anna (2022)

Read More at VV — Know the Cast: ‘Bodies’

3 Body Problem Cast: Benedict Wong as Da Shi

Character Profile: A former police officer from Manchester. He works as a security guard but speaks little about his background. Da Shi looks after Saul when he gets selected for the Wallfacer Project.

Wong’s Resume: Kublai Khan in Marco Polo (2014-16), Bruce Ng in The Martian (2015), Wong in the MCU (2016-), Lomax in Annihilation (2018), Tong in Raya and the Last Dragon (2021)

Read More at VV — Know the Cast: ‘The Fall of the House of Usher’

3 Body Problem Cast: Jonathan Pryce as Mike Evans

Character Profile: Ye’s boyfriend. He travels on a vessel known as the Judgment Day. Mike dedicates his life to an AI Lord but gets betrayed.

Pryce’s Resume: James Lingk in Glengarry Glen Ross (1992), Elliot Carver in Tomorrow Never Dies (1997), High Sparrow in Game of Thrones (2015-16), Cardinal Jorge Bergoglio/Pope Francis in The Two Popes (2019), David Cartwright in Slow Horses (2022-)

Read More at VV — Know the Cast & Characters: ‘Who Is Erin Carter?’

The 3 Body Problem cast also includes:

• Gerard Monaco as Collins
• John Dagleish as Felix
• Hélène Viviès as Lecompte
• Stephen Rahman Hughes as Anwar Suleiman
• Adrian Edmondson as Denys Porlock
• Bea Svistunenko as Laeticia
• Bilal Hasna as Edgar
• CCH Pounder as Secretary General Lilian Joseph
• Ben Schnetzer as Young Mike Evans
• Vedette Lim as Vera Ye
• Guming Yu as Yang Weining
• Eve Ridley as Follower
• Aidan Cheng as Reg
• Deng Qiaozhi as Lei Zhicheng
• Lan Xiya as Tang Hongjing

Q.V. Hough (@QVHough) is Vague Visages’ founding editor.