The Unstable cast features Rob Lowe, John Owen Lowe and Sian Clifford. This info article contains minor spoilers and character details for the Netflix comedy series. Check out more streaming guides in Vague Visages’ Know the Cast section.

Unstable explores the relationship between a wealthy biotech entrepreneur and his twenty-something son. As Ellis Dragon recovers from his wife’s death, his erratic behavior concerns various colleagues. The narrative follows the main protagonist and his inner circle of friends as they bond while addressing personal and professional issues. Here’s every actor and character in Unstable.

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Unstable Cast: Rob Lowe as Ellis Dragon

Character Profile: The CEO of Dragon. He is a confident man with a smug and carefree demeanor. Ellis develops a new product while trying to prove that he is mentally stable.

Lowe’s Resume: Sodapop Curtis in The Outsiders (1983), Billy Hicks in St. Elmo’s Fire (1985), Benjamin Oliver in Wayne’s World (1992), Chris Traeger in Parks and Recreation (2010-15), Owen Strand in 9-1-1: Lone Star (2020-)

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Unstable Cast: John Owen Lowe as Jackson Dragon

Character Profile: Ellis’ son. He is a flute enthusiast who tries to emotionally recover from his mother’s death. Jackson gets annoyed by his father judgmental ways.

Lowe’s Resume: Joel Zadak in The Grinder (2015-16), Luke in Holiday in the Wild (2019), Brandon Hayes in Grace Point (2023)

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Unstable Cast: Sian Clifford as Anna

Character Profile: The Dragon CFO. She offers blunt advice to colleagues due to her difficult childhood. Anna secretly writes fan fiction.

Clifford’s Resume: Claire in Fleabag (2016-19), Diana Ingram in Quiz (2020), Sylvie in Life After Life (2022), Edana Romney in See How They Run (2022), Agent Salmakia in His Dark Materials (2022)

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Unstable Cast: Aaron Branch as Malcolm

Character Profile: Ellis’ gay assistant and project manager. He is a loyal employee and Jackson’s longtime friend. Malcolm pursues a relationship with a male colleague from the HR department.

Branch’s Resume: Otis in Sue Sue in the City (2018), Jonas in Indie Film is Alive! (2018), Youngblood Felon in Millennials (2021-22), Steve in Christmas at the Ranch (2021), DJ in Kenan (2022)

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Unstable Cast: Rachel Marsh as Luna

Character Profile: A Dragon scientist. She is a quirky woman who worries about the right way to party. Luna breaks up with her boyfriend and develops romantic feelings for Jackson.

Marsh’s Resume: Charlie in Before We Go (2019), Lily Chen in NCIS: Los Angeles (2020), Fiona in Just Beyond (2021), Toji in iCarly (2021), Andrea in Head of the Class (2021)

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Unstable Cast: Emma Ferreira as Ruby

Character Profile: A Dragon scientist. She pursues a romantic relationship with Jackson. Ruby is known for her strong work ethic and problem-solving abilities.

Ferreira’s Resume: Selma in Learn to Swim (2021), Anthea in Midnight at the Paradise (2022), Alyssa in Transplant (2022)

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The Unstable cast also includes:

• Fred Armisen as Leslie
• Tom Allen as TJ
• J.T. Parr as Chaz
• Christina Chang as Jean
• Frank Gallegos as Juan
• Chris Aquilino as HR Guy
• Oscar Miranda as Jorge
• Rolando Molina as Lorenzo
• Merrick McCartha as Ted
• Piper Rubio as Sophia

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