Actor / Actress
Actor / Actress
Olajide Olayinka Williams "JJ" Olatunji, known online as KSI, is a British YouTuber, internet personality and rapper known for his YouTube video content. Olatunji is a member and co-founder of the entertainment collective known as the Sidemen, alongside six other British YouTubers, producing online videos and merchanise to a combined audience of over 53 million followers.
JJ Olatunji is known for work in acting across film and television. New Release currently presents 32 verified screen credits connected to this profile.
Selected work includes Outside (2026), TFI Unplugged (2026), Inside: USA (2025), Paul American (2025), Misfits Boxing: Behind the Scenes (2023), Sidecast (2021), Sidemen (2016), Britain's Got Talent (2007). The recorded credits span 2002 to 2026, including 4 movies and 28 TV shows.
The filmography below lists available titles, release years and known roles. This profile is updated as additional verified information becomes available.
Olajide Olatunji · JJ · Olajide Olayinka Williams Olatunji · KSI
TV ShowOutside
TV ShowTFI Unplugged
TV ShowInside: USA
TV ShowPaul American
TV ShowMisfits Boxing: Behind the Scenes
TV ShowSidecast
TV ShowSidemen
TV ShowBritain's Got Talent
TV ShowAmerica's Got Talent
TV ShowTop Gear
TV ShowThe Jonathan Ross Show
TV ShowChicken Shop Date
TV ShowThe Great Celebrity Bake Off for Stand Up To Cancer
TV ShowThe Men in Blazers Show
TV ShowMichael McIntyre's Big Show
TV ShowCelebrity Gogglebox
TV ShowThe Big Narstie Show
TV ShowRadio 1 at Reading and Leeds Festival
TV ShowInside
TV ShowBritain's Got Talent: Unseen
TV ShowAll or Nothing: Arsenal
TV ShowAsk the Sidemen
MovieWWE WrestleMania 39: Saturday
TV ShowRoad to Glory
TV ShowThe Sidemen Show
MovieEngland's Worst Ever Football Team
TV ShowFine or F*cked
MovieUntold: Jake Paul the Problem Child
TV ShowSidemen: From the Sidelines
TV ShowTask the Sidemen
TV ShowRace to the Top: The Dagenham & Redbridge Story
MovieeSports: The Celebrity Millionaires of Competitive Gaming