Nathaniel Curtis (born 29 December 1990) is a British actor. He is best known for his role as Ash Mukherjee in the Channel 4 drama It's a Sin (2021).
Curtis grew up just outside Bournemouth to an English mother and an Indian father. He completed his acting degree at East 15 Acting School in Loughton, Essex in 2014.
After graduating, Curtis went five years without an acting job. One of his first acting roles was as Romeo in Romeo and Juliet for Fuller's Brewery's Shakespeare in the Garden theatre series, run by Open Bar Theatre in 2019 which was nominated for an Offie award. He later played Ferdinand, Alonso, and Trinculo in the following year's production of The Tempest.
Curtis played Ash Mukherjee in It's a Sin, the Award Winning British television series developed by Russell T Davies that premiered in early 2021 on Channel 4 in the UK and on HBO Max in the United States. Curtis was named the winner of the 2021 Great British Bake Off Christmas Special after competing in baking challenges with other members of the cast of It's a Sin.
In the summer of 2022, Curtis returned to the stage to play the title role in Britannicus at the Lyric Theatre, Hammersmith.
He played the role of Brian in ', a Netflix miniseries that serves as a prequel to The Witcher and was released on 25 December 2022.
Following his performance in the world premiere of Andrew Stein's play, Disruption, at the Park Theatre in London in the summer of 2023, Curtis later joined the cast of '. His involvement in this production was marked by a UK tour, which took place throughout the autumn season.
In December 2023, he had a brief appearance as Sir Isaac Newton in the Doctor Who 60th anniversary special "Wild Blue Yonder".
2024 brought Curtis back to the stage portraying the character Zaid in The Real Ones at Bush Theatre in London.
Curtis identifies as queer and stands 6'5" tall. He has an older sister.