Milo Ventimiglia who starred in Heroes as Peter Petrelli. He made an appearance to Fergie's music video "Big Girls Don't Cry."
Matt Dallas aka Kyle XY. Like Milo, he starred also in a music video of Katy Perry's Thinking of You.
Wentworth Miller as Michael Scofield in Prison Break. He was with Mariah Carey's music video "We Belong Together."