time for christmas. First, the dramatic 911 call placed by shannen doherty. She called police after being frightened by online threats. Yeah, uh, this is going to sound incredibly strange. My name is shannen doherty. I'm an actress. I'm on twitter, sadly, and this is a girl that is threatening to shoot herself. Reporter: The voice you hear is shannen doherty. Best known for starring roles in "charmed" and "bevelly hills 90210." I'm completely untrained to deal with somebody threatening to commit suicide. Reporter: The 41-year-old actress can be heard calling a dispatcher in new jersey after a fan on twitter threatened to kill herself. I'm sitting here now freaking out. I can't do anything. Reporter: Dispatchers tell her to stay on the line and ask the woman for her address on twitter. Moments later -- we have our police on the way to the address. I would love it if you would call me back and let me know. Reporter: The dispatcher admitted he and his colleagues fans themselves. All my coworkers can't believe who I'm on the phone with. They all want your twitter account. You got it. Reporter: For "good morning america," john muller, abc news. We reached out to shannen doherty. Her representatives say the star has no comment. She did the right thing, and the Boy, she has fans out there. We turn to dramatic fall from grace for a hard-charging