Ashton Kutcher the voice actor took on Ashton Kutcher the action star at the box office this weekend, with the movie featuring his animated alter ego beating out the film starring his Coast Guard hero for the top spot.

The family-friendly flick "Open Season" was the weekend's top-grossing film, earning the #1 spot on the box-office top 10. Featuring Kutcher as the voice of a deer who befriends a domesticated bear (Martin Lawrence) let loose in the wild during hunting season (see "Ashton Could Help Animated 'Open Season' Stand Out From Herd"), the animated film earned $23 million, according to early estimates.

Also bowing high on the top 10 is another Kutcher flick, "The Guardian," which landed at #2 with more than $17.6 million. Kevin Costner stars in the action movie as a rescue swimmer who loses his crew in a crash and struggles to put the disaster behind him as he leads students in an elite Coast Guard training program.

Last week's box-office champ, "Jackass: Number Two," slips to #3, earning more than $14 million its second weekend in theaters. The "Jackass" crew — featuring Johnny Knoxville, Steve-O, Chris Pontius and Bam Margera — try a fresh batch of stunts that give new meaning to the disclaimer "don't try this at home" in this sequel (see " 'Jackass' Guys Taunt Sharks, Yaks; Visit Hospital Often In Gross-Out Fest 'Number Two' ").

"School for Scoundrels," the final new release to make the top 10, debuted at #4 with more than $9.1 million. Jon Heder ("Napoleon Dynamite") stars in the film as a New York City meter maid with low self-esteem who enrolls in an extreme confidence-building program taught by a con artist named Dr. P (Billy Bob Thornton) in an effort to impress a girl (see "Billy Bob Thornton Tries To Corrupt Jon Heder In 'School For Scoundrels' ").

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With three new releases impacting the top 10, last week's #2 flick, "Jet Li's Fearless," dropped three notches to #5 with more than $4.7 million. The film stars Li as the bullied son of a martial-arts master who teaches himself how to fight, but finds himself in trouble after a match leads to the death of his opponent.

"Gridiron Gang" also slipped three spots, dropping from #3 to #6. The fact-based drama, starring the Rock as a probation officer who turns teen detention-camp inmates into a football team (see " 'Gridiron Gang' Story Squeezed Tears From The Rock"), earned $4.5 million its third weekend in theaters.

Rounding out this week's box-office top 10 are "The Illusionist," which climbs from #8 to #7 with more than $2.8 million; "Flyboys," which falls from #4 to #8 with more than $2.3 million; "The Black Dahlia," which drops from #6 to #9 with more than $2 million; and "Little Miss Sunshine," which holds steady at #10 with more than $2 million.

Overall, ticket sales were up from the corresponding weekend last year.

Next week, look for "The Departed," "Employee of the Month" and "Texas Chainsaw Massacre: The Beginning" to debut on the box-office top 10. Also opening Friday in limited release is "Little Children," starring Kate Winslet and Jennifer Connelly.

Check out everything we've got on "Open Season", "The Guardian" and "Jackass: Number Two".

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