Kai Alexander is an actor, known for his role as Sgt. William Quinn in the miniseries Masters of the Air (2024) from Steven Spielberg, Tom Hanks and Gary Goetzman. He began his career with roles in award winning comedy series Catastrophe (2015) and the Harlan Coben thriller The Stranger (2020). He later went on to portray Richard Branson in Danny Boyle's Pistol (2022). In 2025 Alexander played Lyle Jennings in the Scott Frank helmed series Dept. Q (2025). He will next be seen in Anxious People (2026) alongside Angelina Jolie and Jason Segel, directed by Marc Forster.
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Anxious People (2026) as |
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Angels in the Asylum () as Jack |
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Wind of Change () as Fautisch Drummer |