has been on our screens for decades, fronting TV staples such as and . But he's not the only famous face in the family, with his wife also quietly making a name for herself as one of the most sought-after British film producers and diretors.
Dee Koppang, who shares a son Kasper with the Irish presenter has been on the rolling credits as a producer on countless British favourites in recent years. In recent years, the mum-of-one has been making waves as a director too. The 46-year-old applying her talents to the adaptation of Jilly Coopers book Rivals.
The TV star has also worked on several hit Netflix shows such as and over the years. Koppang made her directorial debut on The Split, BBC One's much-loved divorce drama, but before that she helped mark the 60th birthday of Coronation Street.
The talented director and producer started her career as a lowly runner, working on several popular noughties TV shows. She told in 2022: "I was a runner, coordinator, researcher, AP, Shooting AP, DV Director, PD, series director etc.
"I spent the next 15 years working my way up in the exciting worlds of music shows, observational documentaries, live breakfast TV, and reality shows like Big Brother and Shipwrecked."
As her career continued to soar, she became increasingly comfortable in the world of showbizness, directing documentaries about Justin Bieber's world tour, and working with other big name stars including Rihanna and Lady Gaga.
And she has continued to grow as a director and producer, making her one half of the biggest power couple in TV who recently marked their 12th wedding anniversary.
The couple met when they were both working for the same television corporation and started dating in 2002 when their nine-year relationship began.
In 2011, O'Leary got down on one knee during a trup in New York, with the couple eventually tying the knot a year later at St Mary's Church in Chiddingstone in September 2012.
Speaking to in 2023, the TV presenter described how juggling two successful careers with raising a young son was "full-on".
He told the outlet: "I turned 50 this year and being a dad to a three-year-old can be full-on. A mate who had twins just before Kasper arrived told me, 'Don't worry about how old you are, just make sure you stay in shape'.
"And he's right. I took Kasper to the RAF Museum the other week and it was like an Olympic sprint dashing from one exhibit to the next. As soon as we came out he said, 'Can we go round again?'"
The This Morning star also gave fans an insight into how the couple's careers impact their relationship, meaning they are apart for long periods of time.
He explained: "Dee's work means that we're not always together but, those evenings when we are, we make the most of spending proper time together as a family.
"I can't understand those parents who don't enjoy changing nappies or crawling around on the carpet pretending to be a racing car. Isn't that the absolute joy of being a parent?"
The doting parents welcomed their son Kasper back in June 2020. Sharing an adorable snap of a personalise babygrow, O'Leary wrote: "Welcome to the world baby Koppang O'Leary... We're delighted to announce that we've had a baby."