He is best known internationally for his role as Ethan Krum in the BBC One drama thriller series The Tourist.
[citation needed] Larsen began his career performing stand-up and creating YouTube videos with Henry Stone and Sam Campbell as the sketch group Skills in Time.
[4][5] Larsen was a cast member and correspondent in the ABC news comedy show Tonightly with Tom Ballard (in which he created the recurring character "Mr.
[14] Larsen is best known for his performance portraying Ethan Krum in the BBC One series The Tourist,[15] alongside Jamie Dornan and Danielle Macdonald.
"[18] He also portrayed wrestler Bob Owens in the NBC comedy series Young Rock,[19] and Dave in Ronny Chieng: International Student (which he co-wrote with Ronny Chieng and Declan Fay)[20] In 2017, Larsen was the focus of an Australian Communications and Media Authority (ACMA) investigation based on his on-air conduct in which he called a conservative politician named Kevin Bailey a "cunt" on air during a sketch on the ABC show Tonightly With Tom Ballard.