Charlie Sheen's mystery date during his Plaza rampage was a porn star -- Babe was terrified as he trashed his suite

The mystery woman who locked herself naked in a Plaza hotel bathroom during bad-boy actor Charlie Sheen's coke-fueled frenzy was identified yesterday as a smokin'-hot porn star from New York City.

Erotic actress Capri Anderson, 22, has told friends that she was "extremely afraid" of Sheen, and called Plaza security during his rampage because she felt "threatened" after he accused her of stealing an expensive watch from his multimillion dollar collection, TMZ.com reported.

Anderson -- who fled the scene after the strung-out Sheen was hospitalized Tuesday because of his meltdown -- angrily denied assertions by law-enforcement sources that she's a hooker.

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FAMILY TRIP: Charlie Sheen leaves the Museum of Natural History with ex-wife Denise Richards and daughters Sam and Lola on Monday, hours before his Plaza bender (inset).

Anderson "is adamant she's not a working girl," TMZ said.

But she had gone back with Sheen to the "Two and a Half Men" star's Plaza suite that night -- as his two young daughters and their actress mom, Denise Richards, slept in rooms across the hall.

The petite, naturally-endowed porn princess, who also uses the nom du cinema Alexis Capri, has appeared in such video gems as "Virgins of the Screen 6," "Cable Guy Sex" and "Filthy's First Taste 7."

Her two pay Web sites -- Club Capri Anderson and Club Alexis Walsh -- yesterday quickly linked to the TMZ report outing her role in Sheen's meltdown, in a clear effort to profit from her newfound fame.

Her Facebook bio indicates her real name is Christina Walsh -- the name she gave cops Tuesday. The bio says she left her folks at 18 to pursue her career because they did not want her posing nude.

Asked which sex she's interested in, she lists: "Women."

Her dad, Paul Walsh of The Bronx, told RadarOnline.com that she recently has been living in Brooklyn.

"I'm not quite sure exactly what she does. I always talk to her and she says, 'Why do we have to talk about money?' " he told the site.

Sheen, 45, has a long-standing penchant for porn stars and prostitutes, having dated blue-movie legend Ginger Lynn and dropped big bucks on escorts from the stable of Hollywood Madam Heidi Fleiss.

So it would come as no surprise that he hit it off with Anderson, who TMZ said met Sheen for the first time Monday in The Plaza's bar and then agreed to join him and a group of other men and women at the nearby restaurant Daniel.

Richards, who was in New York to promote her new role on the show "Blue Mountain State," also joined the group for dinner -- but ducked out before even finishing her appetizer when her boozing ex began acting out.

Sheen later invited his beautiful new friend back to his suite, where things quickly got ugly.

Cops responded after Plaza security phoned 911 at 1:33 a.m. Tuesday and reported a dispute in Room 1831.

When officers got there, they found Sheen naked and "not coherent," and Anderson nude and cowering in the bathroom, where she had taken refuge when the actor allegedly began tossing over tables and chairs and smashing a chandelier.

Sheen admitted having drunk booze and done cocaine that night and told cops he "wigged out" because his wallet and cellphone had gone missing, sources told The Post.

One source told RadarOnline that "[Anderson] said he flipped out when he couldn't find his wallet and accused Anderson of stealing it."

No charges were filed against her.

Sheen, who also was not charged, agreed to be taken to New York Hospital for a psych exam. Richards rode in the ambulance with him.

He checked out hours later, and texted RadarOnline afterward, "Oh my man, I'm fine. The story is totally overblown and overplayed as far as the reality of the scenario."

Sheen has agreed to compensate The Plaza for damage he caused, estimated at more than $7,000.

"The room was a mess," a hotel staffer told The Post. "There were sheets everywhere, his clothes everywhere. Even a chair was broken.

"The room was a disaster. He must have been very angry."

Colorado prosecutors said they probably won't try to have Sheen locked up for violating probation there for the Christmas 2009 assault on his third wife, Brooke Mueller. He has six days left on probation.

Richards, 39, on the "Today" show yesterday, said, "The details of what went on in the room, what went on that night, I prefer to keep private and personal.

"My daughters" -- Sam, 6, and Lola, 5 -- "are very unaware of what happened, and I'm really trying to protect them. This is Charlie. If he wants to discuss it, then I'll let . . . I don't want to say anything."