Actor / Actress

Kai Alexander

9 credits available

Biography

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.

Kai Alexander is known for work in acting across film and television. New Release currently presents 9 verified screen credits connected to this profile.

Selected work includes Masters of the Air (2024), EastEnders (1985), Dept. Q (2025), The Stranger (2020), Pistol (2022), Original Drama Shorts (2014), Anxious People, Angels in the Asylum.

The recorded credits span 1985 to 2027, including 3 movies and 6 TV shows. The filmography below lists available titles, release years and known roles.

This profile is updated as additional verified information becomes available.