"Grey's Anatomy" star T.R. Knight was reportedly in a three-car accident in Hollywood on Thursday.

The gossip site TMZ says Knight was eastbound on Hollywood Blvd. when his vehicle collided with another.

Knight was not injured, says TMZ, and no traffic citations were issued at the scene, but a man and a woman were taken to the hospital by ambulance.

Police are investigating the accident.

PHOTOS: Click for photos of T.R. Knight at the accident scene.