Robert Pattinson
Character: Edward Cullen, The Twilight Saga
Vampire Status: Romantic and vegetarian, not exactly happy to be a vampire
For Real: Great hair, mysterious silence, costar girlfriend
Anna Paquin
Character: Sookie Stackhouse, True Blood
Vampire Status: Human having a full-on romance with vampire Bill Compton—plus a weird thing with vamp-sheriff Eric
For Real: Engaged to Blood costar Stephen Moyer
David Boreanaz
Character: Angel, Buffy the Vampire Slayer and Angel
Vampire Status: Undead, but cursed with a soul, giving him a conscience, an edge and a romance with a slayer
For Real: Best vampire ever, right?
Kristen Stewart
Character: Bella Swan, The Twilight Saga
Vampire Status: Human teenager, and deeply in love with Edward Cullen
For Real: Dating R.Pattz (apparently), playing Joan Jett, laying low
Tom Cruise
Character: Lestat de Lioncourt, Interview With a Vampire
Vampire Status: A vampire who parents child bloodsucker Claudia (Kirsten Dunst) with fellow vamp Louis (Brad Pitt).
For Real: Married to actress, Katie Holmes, and father to cutie-patootie daughter, Suri Cruise. Tom's newest flick is Knight and Day, and he remains well-respected years after his immortal introduction.
Alyson Hannigan
Character: Willow Rosenberg, Buffy the Vampire Slayer
Vampire Status: Buffy's BFF and co-vampire slayer
For Real: How I Met Your Mother star, proud mother and wife to Alexis Denisof who played Wesley Wyndam-Pryce in Buffy and Angel.
Sam Trammell
Character: Sam Merlotte, True Blood
Vampire Status: Sam's an average-looking Bon Temps resident...one minute. The next, he's a dog sprinting through the Bon Temps woods. As a shape-shifter, Sam can morph into any animal he wants at any time.
For Real: Sam's known to be mellow off-camera, but he's definitely a vampire we love.
Kirsten Dunst
Character: Claudia, Interview With a Vampire
Vampire Status: A fierce child vampire and surrogate daughter to Lestat (Tom Cruise) and Louis (Brad Pitt).
For Real: Spiderman star whose been doin' just fine lately without her superhero.
Ashley Greene
Character: Alice Cullen, The Twilight Saga
Vampire Status: Sis to Edward, friend to Bella, and can kinda see the future
For Real: Longtime buds with fellow Cullen Kellan Lutz, and there were rumors (denied) of her dating costar Jackson Rathbone
Brad Pitt
Character: Louis de Pointe du Lac, Interview With a Vampire
Vampire Status: Born as a mortal, but becomes a vampire when Lestat (Tom Cruise) bites him. The two live on as the dynamic duo of the immortal world.
For Real: Brad's not too far from his vampire days: he still wants to take over the world (and we're not just talking about Brangelina's well-known philanthropy).
Alexander Skarsgård
Character: Eric Northman, True Blood
Vampire Status: Actual Viking turned small-town vampire sheriff and nightclub owner
For Real: Swedish actor/director showed up in Lady Gaga's "Paparazzi" video
Sarah Michelle Gellar
Character: Buffy Summers, Buffy the Vampire Slayer
Vampire Status: High school slayer—of vampires and other supernatural baddies. Also, hot for Angel, undead dude with a soul
For Real: Married to Freddie Prinze Jr., who's (pretty sure) has never played a smokin' vampire. Has a newborn daughter, Charlotte Grace
Jackson Rathbone
Character: Jasper Hale, The Twilight Saga
Vampire Status: Rash but powerful Cullen bro. Sometimes can't control his more carnivorous impulses
For Real: Plays in a band called 100 Monkeys
James Marsters
Character: Spike, Buffy the Vampire Slayer and Angel
Vampire Status: A mysterious vampire lord with a sexy English accent to match.
For Real: Marsters was most recently seen on Smallville, but has been keeping busy off camera.
Nikki Reed
Character: Rosalie Hale, The Twilight Saga
Vampire Status: Bratty, jealous bloodsucker and adopted sister to Edward Cullen
For Real: Emancipated from her parents at 14, cowrote the script for Thirteen with Catherine Hardwicke, who later directed Twilight.
Stephen Moyer
Character: Bill Compton, True Blood
Vampire Status: Old-timey bloodsucker gone "mainstream," feeds on synthetic blood and dates telepathic human Sookie
For Real: Engaged to on-set love interest Anna Paquin
Kiefer Sutherland
Character: David, The Lost Boys
Vampire Status: Bleached-blonde, badass vampire and leader of the Santa Carla vamp gang.
For Real: Still a badass, Kiefer's made quite the name for himself as Jack Bauer on 8 seasons of 24.
Nina Dobrev
Character: Elena Gilbert, The Vampire Diaries
Vampire Status: Just a regular high school girl with complicated, uncontrollable feelings for a vampire
For Real: Got into a bit of trouble for a crazy photo shoot on a Georgia overpass, but that's all cleared up, right?
Ian Somerhalder
Character: Damon Salvatore, The Vampire Diaries
Vampire Status: Not the nicest new vampire in town, causing trouble for his brother Stefan and his plans with a high school human hottie
For Real: Tweets about his iTunes
Taylor Lautner
Character: Jacob Black, The Twilight Saga
Vampire Status: Guy's a werewolf, not exactly a friend to the vampires
For Real: Taylor likes to work out, did you hear? Also, this
Evan Rachel Wood
Character: Sophie-Anne Leclerq, True Blood
Vampire Status: Queen of the vampires! In Louisiana, at least. Loves the ladies and the Yahtzee
For Real: Starred in Thirteen with fellow All-Star Nikki Reed
Kellan Lutz
Character: Emmett Cullen, The Twilight Saga
Vampire Status: Another hunky, animal-bloodsucking Cullen bro, he's married to Rosalie
For Real: Used to be an Abercrombie & Fitch model. Can you tell?
Paul Wesley
Character: Stefan Salvatore, The Vampire Diaries
Vampire Status: Total undead romantic, back home and falling for a human high schooler
For Real: Worked hard not to watch Twilight before taking the role