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Portrait of Cillian Sullivan

Acting

Cillian Sullivan

Career

Active from 2020 to 2026, busiest in 2025 with 2 main titles.

Leading roles
2
top three billing
Average score
Not enough ratings

Main genres

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Recurring tags

    Works often with

    People in at least two of their main titles.

      Movies and TV shows

      6
      Type
      Role
      Score
      Decade
      Genre
      Group by

      2020s

      6 titles · average score 76
      Kova’s Courage
      Kova’s Courage (2026)

      as Siku (voice)

      Blue Moon
      Blue Moon (2025)
      GoodWatch score 76

      as Stephen Sondheim

      A Song
      A Song (2025)

      as Young Boy

      The Things We Do
      The Things We Do (2025)

      as Cillian

      Spilt Milk
      Spilt Milk (2024)

      as Bobby O'Brien

      Blue
      Blue (2020)

      as Mark