
Biography
Joi Johannsson (born Jóhann G. Jóhannsson, 23 November 1971, Reykjavík, Iceland) is an Icelandic actor, producer, and writer. He made his acting debut in 1986 in the TV mini-series Nonni and Manni and graduated magna cum laude from the University of Hartford in 1994 with a B.A. in Theatre and Cinematic Arts. He is multilingual — fluent in Icelandic, English, German, Danish, Norwegian, and Swedish — and has performed in nearly 50 theatre productions across the USA and Iceland, including A Winter's Tale (as Leontes) and One Man, Two Guvnors (as Stanley). He has also hosted, produced, and written over 200 TV episodes and 150 radio shows. His screen filmography spans more than 50 international productions. Notable credits include Flags of Our Fathers (2006), The Shamer's Daughter (2013), The Deep (2017), The Oath (2019), His Dark Materials (2019), Fortitude (2020), True Detective (2024), and Eurovision Song Contest: The Story of Fire Saga (2020). His most recent roles include Fractures (2022), Útilega (2024), The Fires (2025) as Kristinn, and The Brink of War (2026) as a KGB Colonel. He won the 2026 Edda Award for Best Supporting Actor for The Fires.
Acted in 37
2020s
- 2026
- 2025
- 2024
Útilega
Jóhann Sveinn · 6 episodes
Aftergames
Jóngeir
- 2022
Fractures
Ragnar · 8 episodes
- 2021
Áramótaskaup 2021
Movie
Sisterhood
Palli · 6 episodes
Everything in the End
Kristjan
- 2020
Agent Hamilton
Dmitri Kozlowski · 2 episodes
2010s
- 2019
- 2018
Miss Iceland
Jóhann
- 2017
Summer Children
The Carpenter
- 2016
In Front of Others
Movie
- 2015
- 2014
The Lava Field
Gísli · 4 episodes
- 2013
- 2012
- 2011
City State
Store owner
The Magic Wardrobe
Harpa presenter
2000s
- 2009
The Cliff
Gisli
Circledrawers
Schubert
- 2008
The Higher Force
Ásgeir
- 2006
When Children Play in the Sky
Movie
- 2004
- 2000
Angels of the Universe
Police Mman (uncredited)
1990s
- 1998
The Dance
Vítus
- 1993
Behind Schedule
Teenage gang memeber #1
Produced 2
2010s
- 2018
Miss Iceland
Co-Producer
- 2011