Seán Dermot Fintan O'Leary is an English broadcaster who currently works for ITV and BBC Radio 2. His radio career began when he worked as a disc jockey at Essex Radio, but he is best known for being the presenter of The X Factor on ITV, a position he held from 2007 until its final series in 2018, with the exception of 2015. Since 2021, O'Leary has presented ITV's This Morning on Fridays, school holidays and bank holidays alongside Alison Hammond.
Celebrity Juice: Too Juicy For TV!
(Self)
Katy Perry: Part of Me
(Self (archive footage))
An Audience with Kylie
(Self)
Nikki Grahame: Who Is She?
(Self)
Harry Hill's TV Burp Gold 3
(Self (archive footage))
The National Television Awards Celebrate 25 Years
(Self)
Miranda: My Such Fun Celebration
(Self)
The London Studios: Home of the Stars
(Presenter)
A Christmas Star
(Himself)
89
(Himself)
Caroline Flack: Her Life and Death
(Self)
Reel Stories: Noel Gallagher
(Self)
One Direction: A Year in the Making
(Self (archive footage))
That Christmas
(Additional Voices (voice))
Shattered
Bo' Selecta!
Soccer AM
(Self)
The One Show
(Self)
The Terry and Gaby Show
The BAFTA Awards
(Host)
Re:covered
The Big Breakfast
Big Brother: Celebrity Hijack
(Self - Presenter)
GMTV
(Self)
Comic Relief
It's Only TV But I Like It
(Self)
Ant & Dec's Saturday Night Takeaway
(Self)
Big Brother's Little Brother
(Self)
Teen Big Brother: The Experiment
OK! TV
Channel 4's Comedy Gala
James Corden's World Cup Live
(Self - Guest)
The National Television Awards Backstage Live
Big Brother's Big Brain
Would I Lie to You?
(Self)
This Morning
(Self - Presenter)
Murder in Successville
The Pet Show
(Self - Presenter)
The One Show
(Self - Guest)
Reel Stories
(Self - Host)
Children In Need
(Host)
An Audience with...
(Self)
Rhod Gilbert's Growing Pains
(Guest)
QI
(Self)
Battle of Britain
(Self - Presenter)
Big Brother's Little Brother
(Host)
Never Mind the Buzzcocks
(Self)
Michael McIntyre's Big Show
(Self - Interviewed Guest)
The X Factor
(Self - Presenter)
Never Mind the Buzzcocks
(Self - Host)
Small Fortune
(Himself - Host)
Live from Space
(Presenter)
Celebrity Juice
(Self)
Doctor Who
(Self)
Years and Years
(Himself)
Saving Lives at Sea
(Self)
The X Factor Celebrity
(Self - Host)
The Great Celebrity Bake Off for Stand Up To Cancer
(Self - Guest)
Keith Lemon's Very Brilliant World Tour
(Himself)
Keeping Up with the Kardashians
(Self)
The X Factor The Band
(Self - Host)
The Lateish Show with Mo Gilligan
(Self)
Never Mind the Buzzcocks
(Self - Team Captain)
Silence is Golden
(Self - Host)
Harry Hill's TV Burp
(Self - Special Guest)
The National Television Awards
(Self - Host)
Michael McIntyre's The Wheel
(Self - Expert)
Dermot O'Leary's Taste of Ireland
(Self - Host)
Top of the Pops
(Self - Host)
This Morning
(Self)
Bo' Selecta!
(Self)
Ultimate Big Brother
(Self - Host)