Filip Geljo (born April 13, 2002) is a Canadian actor of Filipino and Bosnian descent, known for portraying Aonung in Avatar: The Way of Water and Agent Otto in the PBS Kids TV series Odd Squad.
Early life Geljo was born in Toronto, Canada, on April 13, 2002, to a Filipino mother and Bosnian actor Jasmin Geljo.
Career Geljo’s first acting role was a small part in a 2014 TV movie called The Last Chance. He also portrayed Dan in the 2015 drama The Waiting Room. In that film, he acted alongside his real father, Jasmin, who played Dan’s father.
On the PBS Kids TV series Odd Squad, Geljo portrayed Agent Otto, one of the two main characters, for 41 episodes, from 2014 to 2016. (In the pilot, Otto was played by Jaden Michael.) He reprised his role as Otto in Odd Squad: The Movie.
In 2017, Geljo was cast as Aonung in James Cameron’s Avatar: The Way of Water, which was released in 2022. He reprised that role in Avatar: Fire and Ash, which was released in 2025.
Filmography Film +Key Denotes films that have not yet been released
Year Title Role Notes2014The Last ChanceLeeTV movie 2015The Waiting RoomDanShahzadPhilipShort film2016Odd Squad: The MovieAgent OttoTV movie with limited theatrical release 2022Avatar: The Way of Water Aonung 2025Avatar: Fire and Ash
Television Year(s) Title Role Notes 2014–2016 Odd Squad Agent Otto Main role (season 1); 40 episodes 2016 Annedroids Eric “Teacher’s Pals”
Personal life He is the son of actor Jasmin Geljo.
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