United Kingdom, June 15 -- Toby Stephens' father's death from cirrhosis was all the motivation he needed to stop drinking himself.

The Lost in Space star opened up to The Guardian newspaper about his hopes for the future and any regrets he's had, and was asked what he would "edit" from his past if he had the chance.

To which Toby replied: "There was a very large part of my 20s where I was an alcoholic, and an addict.

"When I lost my dad to cirrhosis, I knew that the only difference between us was that, tragically, he couldn't stop whereas I could."

Cirrhosis is advanced scarring of the liver caused by long-term damage, and can be exacerbated by heavy drinking.

Toby's father Sir Robert Stephens died in 1995 aged 64.

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