The Best Kieran Regan Movies, Ranked
1 credit, ranked by the Movie Echo Score — a blend of critic reviews, audience ratings and lasting impact. Cosmic Princess Kaguya! (2026) comes out on top with a score of 78. The biggest box office hit is Cosmic Princess Kaguya! (2026) with $20.2M worldwide. Below: the best films by genre and by decade, the most awarded and the newest releases.
The Best Kieran Regan Movies: Questions & Answers
The best-rated, highest-grossing, most awarded and newest Kieran Regan films, answered from the rankings on this page.
What is the best Kieran Regan movie?
Cosmic Princess Kaguya! (2026) is the best-rated Kieran Regan film, with a Movie Echo Score of 78. The Movie Echo Score blends critic reviews, audience ratings and how well a film has lasted.
Cosmic Princess Kaguya!: cast, ratings & box office What is the highest-grossing Kieran Regan movie?
Cosmic Princess Kaguya! (2026) made the most at the box office, with $20.2M worldwide. Together, Kieran Regan's films with box office figures have made $20.2M.
What is the best Kieran Regan animation movie?
Cosmic Princess Kaguya! (2026) is the best-rated of Kieran Regan's animation films, with a score of 78.
What is the newest Kieran Regan movie?
The newest film on Kieran Regan's filmography is Cosmic Princess Kaguya! (2026), with Kieran Regan as Koto Okotteru.
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