Ashton Kutcher as Nikki

Anne Heche as Samantha

Margarita Levieva as Heather

Sebastian Stan as Harry

Ashley Johnson as Eva

Sonia Rockwell as Christina

Rachel Blanchard as Emily

Shane Brolly as Prince Stelio

Eric Balfour as Sean

María Conchita Alonso as Ingrid

Derek Carter as Delivery Guy

Jordan Black as Kevin

Dani Levine as Nadia

Peter Marc Jacobson as Plastic Surgeon

Lindsey Broad as Emily's Roommate

Amy Motta as Woman in Airport (aka Matron)

Lauri Johnson as Meter Maid / Doris

Madison Bauer as Nikki's Mother

Josh Richman as Club Bouncer / Himself

Estefania Iglesias as Bella Girl

Reeve Carney as Lead Singer

Nick Lee as Waiter

Sarah Karijan as Prince Stelio's Gang

Jenae Altschwager as Stripper

Sarah Buxton as Helen

Lourdes Faberes as Prince Stelio's Gang

Olivia May as Sexy Club Goer (uncredited)

Candice A. Buenrostro as Sexy Pool Girl (uncredited)

Anthony Bergeron as Valet

Hart Bochner as Will (uncredited)

Christie Burson as Sexy Pool Girl (uncredited)

Pinky Campbell as Nikki's Ex-Girlfriend (uncredited)

Vicki Damante as Dancer / Club Goer (uncredited)

Renee Darmiento as Kissing Girl (uncredited)

Lejla Hadzimuratovic as Dancer (uncredited)

Ashley Green Elizabeth as Dancer (uncredited)

Marc Gruninger as Hot Pool Guy (uncredited)

Lanre Idewu as Sexy Pool Guy (uncredited)

John Ierardi as Instigator (uncredited)

Sarah Karjian as Prince Stelio's Gang (uncredited)

Adrienne McQueen as Sexy Pool Girl (uncredited)

Shanna Olson as Hot Pool Girl (uncredited)

Caitlin O'Connor as Bikini Girl (uncredited)

Georgia Reed as Dancer (uncredited)

James M. Myers as Hot Pool Man (uncredited)