---
name: "Harry Collett"
canonical: "https://film.one/person/harry-collett"
roles: ["Actor"]
born: "17 January 2004"
reviewed_on_fi1m: 1
updated: "2026-09-16T15:24:12.092262+00:00"
licence: "© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL."
---

# Harry Collett

Actor. Born 17 January 2004 in Havering, London, UK.

## Details

- **Work:** Actor
- **Born:** 17 January 2004, Havering, London, UK
- **Also known as:** Harry Leonard J. Collett

## Biography

Harry Collett is an English actor born on 17 January 2004 in Havering, London. He began his career as a child performer in West End productions, including *Billy Elliot the Musical* at the Victoria Palace Theatre, *Matilda the Musical* at the Cambridge Theatre and *Elf* at the Dominion Theatre.

Collett is known for playing Tommy Stubbins in the film *Dolittle* (2020), Prince Jacaerys Velaryon in the HBO series *House of the Dragon* (2022–2026), Oliver Hide in the BBC drama *Casualty* (2016–2022) and a boy in Christopher Nolan’s *Dunkirk* (2017). He has also appeared in *Galavant* (2015) and provided voice roles in *Ethel & Ernest* (2016).

*Sources: en.wikipedia.org, imdb.com, themoviedb.org.*

## On Fi1m (1)

- *Dolittle* (2020), Fi1m 32, as Tommy Stubbins — [page](https://film.one/film/dolittle.md)

## Also known for

- *Dunkirk* (2017), Boy — [page](https://film.one/film/dunkirk.md)
- *House of the Dragon* (2022), Prince Jacaerys 'Jace' Velaryon
- *Dead in a Week (Or Your Money Back)* (2018), William Age 10
- *Galavant* (2015), Young Galavant
- *Ethel & Ernest* (2016), Young Raymond (voice)
- *Casualty* (1986), Ollie Hide, Seb Durante

---
© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL. Canonical: https://film.one/person/harry-collett