He is known to millions as the gaffe-prone, politically incorrect radio turned TV presenter Alan Partridge, but Steve Coogan is soon to be seen in a dramatically different role, as the serial-abuser Jimmy Savile.
The 56-year-old is no stranger to serious roles, but his turn as the evil predator in upcoming BBC drama The Reckoning, which will look at how the monster's crimes went undetected for so long, is sure to be his darkest yet.
The father-of-one, who is appearing on Saturday Night Takeaway this evening, has been has been in the limelight for decades, and dated models, well-known actresses and even had a fling with a rock star.