United Kingdom, March 12 -- Kevin Hart wants his children to realise "talk is cheap, actions are loud".

The 45-year-old actor - who has kids Heaven, 19, and Hendrix, 17, with ex-wife Torrei Hart, and Kenzo, seven, and Kaori, four, with wife Eniko Hart - has reflected on the advice his gives his family to find success in life.

He told Extra: "I say to my kids the same thing I say every day: 'We are what you put your mind to. Talk is cheap, actions are loud. Don't be a talker, be a doer.' "

Kevin is part of a new star-studded documentary 'Number One on the Call Sheet: Black Leading Men In Hollywood', which shines a light on the talent and determination of those at the top of their game.

He explained: "The more that we get people talking...