When one thinks of our most beloved action heroes, names like Schwarzenegger, Stallone, Ford, and Willis come to mind. Basically, anyone crammed into an Expendables poster. But actions stars don't just live on the silver screen. TV has been home to thrilling adventures ever since its debut. Jack Lord's Steve McGarrett on Hawaii Five-O, Robert Vaughn's Napoleon Solo on The Man from U.N.C.L.E., Patrick Macnee's John Steed on The Avengers - all memorable heroes who helped transport viewers from their davenports to a world of thrilling intrigue and danger.

HM Jennifer Garner

10 Bruce Campbell

9 Richard Dean Anderson

8 Jim Caviezel

7 Maggie Q

6 David Hasselhoff

So who's the best of the best here? Who rocked the rocket launcher? Bested the bombs? Who managed to create an iconic action hero on the small screen? Here's our list of the 10 best TV ass kickers - guys and gals ready to throw down, get their hands dirty and/or bloody, in the name of justice. Or, you know, because a Hellmouth's gonna flood the world with demons and stuff.But let's not forget Campbell's time on both Hercules: The Legendary Journeys and Xena: Warrior Princess as Autolycus, or his role as the titular character in Carlton Cuse's (Lost) The Adventures of Brisco County, Jr. - an under-appreciated gem of wild west sci-fi awesomeness.Richard Dean Anderson's MacGyver was a brains-over-brawn adventurer, combining every day household items with impressive levels of "Yeah science, bitch!" in order to save the day. Detonators shorted using paper clips, acid leaks plugged up with chocolate, bombs created out of weed killer and battery acid. You know, the usual. In fact, by the end of its fourth season, MacGyver actually ran a clip show of freakin' past "MacGyverisms."Check this s*** out. Dude built an airplane out of bamboo.Anderson will forever be known mostly for MacGyver, but we can't leave out his 10-year run on Stargate SG-1 as Jack O'Neill. Like M*A*S*H's Alan Alda, this was the rare occasion of a TV actor becoming more notable for a movie character than the original star.Caviezel's near-silent brooding as Reese, along with the series itself, is the closest thing you'll find to Christopher Nolan's Dark Knight trilogy on TV (as it's created by Dark Knight co-writer Jonathan Nolan). Similar format, a rogues gallery of recurring baddies, and the pulsing heart of vigilante justice. And this being the internet tribute video age, here's a nice (NSFW due to Kanye lyrics) montage of Reese being Reese.Oh, and I can't NOT put this video in. It's the Johnny Cash "Hurt" opening from this past November's episode "The Devil's Share."though if you're not caught up on Person of Interest, as it contains massive spoilers…Nikita's covert need to be "anything that's necessary," be it a stealth boogeyman or a sexy distraction in a bikini, along with going renegade against one's own immoral agency, helped inspire the likes of a Sydney Bristow years later on Alias. And in keeping with this, Q herself has to play the part in many shades. Vulnerability mixed with charm mixed with lethal force. And when she monologues s*** like "the last word they'll breathe before the end will be my name," you know that's how it's gonna go down.Here's Q taking out an entire training room full of evil assassin recruits...Some might argue that the character of K.I.T.T. the car could share this accolade with The Hoff, but let's not forget that there'd be no "shadowy flight into the dangerous world of a man who does not exist" without the man who didn't exist. Action heroes come in many forms. Some can kill you in a blink with the tips of their fingers. Others come with a more notable gimmick. A horse. A classic ride. A sidekick. Well, K.I.T.T. was the ride and the sidekick. Both Tonto and Silver. And Michael Knight was there to provide the 6' 4" charm and humanity. While also providing much needed ground support for all those moments when you couldn't easily use a sentient Pontiac Trans Am.Soon after Knight Rider shut off its engines, Hasselhoff was launched into global superstardom with Baywatch. A series so terrible that it's no wonder that it became the MOST POPULAR SHOW OF ALL TIME! With, at one point, a billion people watching it world-wide. Seriously. It earned a spot in the Guinness Book of World Records. A spot that will never be relinquished. The power of sunscreen, CPR, heaving bosoms, and The Hoff's heroics.

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