United Kingdom, June 8 -- Nick Frost feared his food addiction would "kill" him.

The 53-year-old actor - who has a son, six, and four-year-old daughter with partner Hayley, and a teenage son from a previous relationship - saw his weight balloon to over 490lbs after he gave up drugs and alcohol, but he soon realised that swapping his vices for a dependancy on food wasn't a good idea either.

He told The Observer: "Six years ago I stopped taking any kind of drink or mind-bending substance...

"Food had been my first addiction when I was 10.

"And I realised that it's fine to stop all that s*** [drink and drugs]. But then going in the car and parking down by the river when it was nighttime and eating a tier of a wedding cake, that's going t...