He began his acting career portraying Michael Kelso in the Fox sitcom That '70s Show (1998–2006).He made his film debut in the romantic comedy Coming Soon (1999), followed by the comedy film Dude, Where's My Car? In 2003, Kutcher moved into romantic comedies, appearing in that year's Just Married and My Boss's Daughter.Kutcher subsequently appeared in more romantic comedies, including Guess Who (2005), A Lot Like Love (2005), What Happens in Vegas (2008), and No Strings Attached (2011).
Many of his production credits, including Punk'd, come through Katalyst Films, a production company he runs with partner Jason Goldberg."If anything, I'm a trier," says Kutcher between puffs of filtered Lucky Strikes.
"I think, more than anything, it comes from the fact that my father always had several irons in the fire. If something doesn't work out—if That '70s Show got canceled or if I wasn't going to have a film career—I always wanted to have backup contingency plans.
In 2003, Kutcher produced and starred as the host in his own series, MTV's Punk'd, that involved hidden camera tricks performed on celebrities.
He is also an executive producer of the reality television shows Beauty and the Geek, Adventures in Hollyhood (based around the rap group Three 6 Mafia), The Real Wedding Crashers, and the game show Opportunity Knocks.
Kutcher was convicted of third-degree burglary and sentenced to three years of probation and 180 hours of community service.
Kutcher stated that although the experience "straightened him out", he lost his girlfriend and anticipated college scholarships, and was ostracized at school and in his community.
Michael also has cerebral palsy and is a spokesperson for the advocacy organization Reaching for the Stars.
Michael's cardiomyopathy caused Kutcher's home life to become increasingly stressful.
At SXSW on March 14, 2015, Kutcher announced Sound Ventures, the successor to A-Grade Investments managing a fund backed by institutional funding.
Kutcher has also successfully invested in several high technology startups.
The Nielsen ratings company reported that figure was more than any episode in the show's first eight seasons, when Sheen starred in it.