Addition (2026): cast, story & where to watch
2026 · Film · ★ 6.2
Released in 2026, Addition is a drama and romance film directed by Marcelle Lunam, running about 91 minutes.
What it’s about. Grace Lisa Vandenburg counts everything - the letters in her name, the poppy seeds on her orange cake. She counts because numbers hold the world together. But when a chance encounter with Seamus turns her world upside down, Grace's meticulously ordered life starts to unravel.
Who’s in it. Addition stars Teresa Palmer as Grace Lisa Vandenburg, Joe Dempsie as Seamus Joseph Rodgers, Eamon Farren as Nik Tesla and Sarah Peirse as Marj, among others.
How it landed. With an audience score of 6.2/10, Addition has drawn a solid, mixed-to-positive response.
Where to watch. In US you can stream it on Amazon Prime Video and Amazon Prime Video with Ads and rent or buy it from Amazon Video, Apple TV Store, Google Play Movies and YouTube. See the full, country-by-country breakdown on our where to watch Addition page.
If you liked it. Fans of Addition tend to enjoy The Shawshank Redemption, The Godfather, Schindler's List and The Godfather Part II.
Frequently asked
- Where can I watch Addition (2026)?
- In US, Addition is available to stream on Amazon Prime Video and Amazon Prime Video with Ads, and rent or buy from Amazon Video, Apple TV Store and Google Play Movies. Availability varies by country — check our where-to-watch page for every region.
- Is Addition worth watching?
- Addition holds an audience score of 6.2 out of 10, and is a strong pick if you enjoy drama and romance. Reactions are mixed, so it may depend on taste.
- Who stars in Addition?
- Addition stars Teresa Palmer, Joe Dempsie, Eamon Farren, Sarah Peirse and Adrienne Pickering.
- When was Addition released?
- Addition was released in 2026, with a runtime of about 91 minutes.