The Dark Matter cast features Joel Edgerton, Jennifer Connelly and Alice Braga. This info article contains minor spoilers and cast/character summaries for Blake Crouch’s Apple TV+ series. Check out more streaming guides in Vague Visages’ Know the Cast category, and then browse complete soundtrack song listings in the Soundtracks of Cinema section.

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Dark Matter centers on a Chicago-based physicist named Jason Dessen. When the protagonist transports to an alternate reality, he uses his skill set to theorize about a solution. The narrative follows Jason as he attempts to protect his family while searching for clarity about his predicament. Here’s every actor and character in Dark Matter, an adaptation of Blake Crouch’s 2016 novel.

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

Dark Matter Cast: Joel Edgerton as Jason Dessen

Character Profile: A college professor in Chicago. He is a physicist who teaches quantum mechanics. Jason arrives in an alternate reality in which he’s been missing for 14 months.

Edgerton’s Resume: Tom Buchanan in The Great Gatsby (2013), Gordo in The Gift (2015), Richard in Loving (2016), Ridgeway in The Underground Railroad (2021), Owen Lars in Obi-Wan Kenobi (2022)

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

Dark Matter Cast: Jennifer Connelly as Daniela Vargas Dessen

Character Profile: Jason’s wife. She is a Chicago-based artist. Daniela reveals that her relationship with Jason failed in an alternative timeline.

Connelly’s Resume: Jennifer Corvino in Phenomena (1985), Jenny in The Rocketeer (1991), Marion Silver in Requiem for a Dream (2000), Alicia Nash in A Beautiful Mind (2001), “Penny” Benjamin in Top Gun: Maverick (2022)

Read More at VV — Know the Cast: ‘Palm Royale’

Dark Matter Cast: Alice Braga as Amanda Lucas

Character Profile: Jason’s colleague in an alternative timeline. She is a lab psychiatrist. Amanda worries about Jason’s mental health after his 14-month disappearance.

Braga’s Resume: Anna in I Am Legend (2007), Isabelle in Predators (2010), Beth in Repo Men (2010), Frey in Elysium (2013), Teresa Mendoza in Queen of the South (2016-21)

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

Dark Matter Cast: Jimmi Simpson as Ryan Holder

Character Profile: Jason’s friend. He is a famous neuroscientist who wins the Pavia Prize. Ryan clashes with Jason about the past during an alternative timeline.

Simpson’s Resume: Liam McPoyle in It’s Always Sunny in Philadelphia (2005-13), Gavin Orsay in House of Cards (2014-15), William in Westworld (2016-20), Walter in Black Mirror “USS Callister” (2017), Spencer Clay in The Man Who Fell to Earth (2022)

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

Dark Matter Cast: Dayo Okeniyi as Leighton Vance

Character Profile: Jason’s colleague. He is the CEO of a neuroscience company. Leighton and Amanda welcome Jason back to “reality.”

Okeniyi’s Resume: Thrush in The Hunger Games (2012), Marcus in The Spectacular Now (2013), Oloman in See (2019-21), Charles Antetokounmpo in Rise (2022), Paul in Fresh (2022)

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

Dark Matter Cast: Oakes Fegley as Charlie Dessen

Character Profile: Jason and Daniela’s 15-year-old son. He is a student at St. Peter High School who enjoys anime and skateboarding. Charlie hopes to attend an art school.

Fegley’s Resume: Young Judd in This Is Where I Leave You (2014), Pete in Pete’s Dragon (2016), Ben in Wonderstruck (2017), Young Theo Decker in The Goldfinch (2019), Chad Thomas in The Fabelmans (2022)

Read More at VV — Know the Cast: ‘Criminal Record’

The Dark Matter cast also includes:

• Marquita Brooks as Dawn Lawrence
• Amanda Brugel as Blair Caplan
• Tiff Abreu as Mindy
• Bassam Abdelfattah as Anthony
• William Smillie as Matt
• Missy Fierro as Violet
• Suzy Dias as Chloe
• Jenne Kang as Dr. Julianne Springer
• Jimmy Styx as Gunter
• Kate Eastman as Detective Jamie Mason
• Peter Sipla as Dr. Randolph
• Meghan Maureen McDonough as Barbara Underell
• Rolando Boyce as Dr. Joseph Hart
• Jason Huysman as Mike Underell
• Brandon Dahlquist as Marcus Sakey

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