Dwayne Johnson has opened up about his experience with depression

Dwayne "The Rock" Johnson has opened up about the times during his life he's battled with depression.

The actor spoke about his mother's suicide attempt when he was 15, which he witnessed, in a recent interview with the Express.

"I reached a point where I didn't want to do a thing or go anywhere," he said. "I was crying constantly."

He went on to describe another difficult period he went through after injuries prevented him from becoming a professional footballer and his girlfriend broke up with him -- something he referred to as his "absolute worst time".

Johnson finished by stressing the importance of helping people who are experiencing depression.

"We both healed but we've always got to do our best to pay attention when other people are in pain," he said. "We have to help them through it and remind them they are not alone."

On Monday, Johnson took to Twitter to talk more about the interview.

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If you are experiencing depression or suicidal thoughts you can contact the Samaritans on 116123 or Childline on 0800 1111. For those based in the US, text the Crisis Text Line at 741-741 or call the National Suicide Prevention Lifeline at 1-800-273-8255. If you're based internationally, a list of resources for different countries is available here.