Andrew Koenig

Andrew Koenig, best known for playing Boner on Growing Pains, is missing, according to Vancouver authorities.

The 41-year-old Venice, Calif., resident was last seen by friends on Feb. 14 during a visit to Vancouver, according to a Vancouver Police news release. Koenig was scheduled to return home on Feb. 16 and police were notified on Feb. 18 that he did not arrive.

"Andrew has recently been despondent and his family and friends are concerned for his well-being," the news release stated.

Celebrities including Sarah Silverman, Alyssa Milano, Dave Holmes and Doug Benson have since tweeted and blogged to ask for information that might lead to the actor and comedian.

Police have not yet released any further details on Koenig's disappearance.

Koenig's family asks that anyone with potentially helpful information call 911.