Thorvaldsson graduated from the Icelandic Acting School in 1998, received a Master of Arts degree in performance making from Goldsmiths University in 2009, and a master in business arts degree from the University of Reykjavik in 2014.
[1] Thorvaldsson is the voice of the Icelandic National Broadcasting Service.
[1] He voiced the character Sigurd Styrbjornsson in the video game series Assassin's Creed.
[1] He portrayed an astronaut in the music video for the song Satellite 15...
He played Marcellus in the 2024 biblical epic film Mary.