Tommy Chong
"Dave? Dave's not here!" That's Tommy Chong's signature comedy routine, but it's his lifelong use of marijuana on and off the silver screen that he's best known for.
Steve Bloom
Johnny Depp
One of Hollywood's favorite actors, Johnny Depp has portrayed Hunter S. Thompson several times, as well as the drug smuggler in "Blow."
Cameron Diaz
There's something about Cameron Diaz. She smoked a joint with Drew Barrymore on a beach in Hawaii, bought weed from Snoop Dogg in high school and played a potty-mouthed pothead in "Bad Teacher."
Harrison Ford
Harrison Ford has never publicly spoken about marijuana or played a movie stoner. Yet it's widely believed he's an avid pot smoker.
Megan Fox
On several occasions, actress Megan Fox has acknowledged her marijuana use. "I hope they legalize it," she says.
Zach Galifianakis
Zach Galifianakis showed his support for marijuana legalization by firing up a joint on "Real Time with Bill Maher" in 2010. He played a stoner in "Due Date" and has co-starred in "The Hangover" movies.
Woody Harrelson
In the mid-'90s, actor Woody Harrelson climbed redwoods to protest logging and wore hemp clothes to bring attention to marijuana prohibition. In 1996, he was arrested in Kentucky for planting hemp seeds.
