If you are a fan of Growing Pains or Star Trek, you will know the name Andrew Koenig. He is missing, according to friends and family.

Koenig, 41, played the character "Boner" on Growing Pains and is the son of actor Walter Koenig, who is known for his role as Chekov on Star Trek. Andrew has been missing for a week, according to his dad's official web site. He was last seen in Vancouver on Feb. 14 and never boarded his return flight to the United States on Feb. 16. Celebrities, including Kevin Smith, Alyssa Milano and Sarah Silverman, have put the word out on Twitter. Walter Koenig's site, which shows a recent photo of his son and lists a contact at the Vancouver Police Department, notes that Andrew "performs at The Improv and is a camera operator for Never Not Funny." Andrew's parents say that he was "suffering from depression" in the days leading up to his disappearance, reports TMZ. -- Lorena Blas