Mel Gibson, Meryl Streep & George Lucas among Hollywood's most generous

Mel Gibson, Meryl Streep and George Lucas have all been named among the most generous celebrities in a new poll of famous charity supporters.

Bosses at non-profit organization The Giving Back Fund have compiled their fifth annual Giving Back 30 list, which honors the stars who have handed out the largest donations to charity.

At the top of the poll is actress Jami Gertz, who has helped donate a huge $10 million through her husband Ressler Gertz's foundation.

At number three is troubled star Mel Gibson, with $6 million in charity handouts. Lucas is fourth and Streep is at eight, with $4.2 million and $2 million respectively.

Other big hearted stars include Jerry Seinfeld ($1.7 million), Barbra Streisand ($1.5 million), Matthew McConaughey ($1.5 million), Alec Baldwin ($1 million) and Sandra Bullock ($1 million).