Andrew Koenig, 41, who had been missing since February 14, was found dead in a Vancouver park, People.com reported. Police confirmed that the death was an apparent suicide. "My son took his own life," said Walter Koenig, 73, who played Pavel Checkov on the classic 1960s science fiction series. His son, who had a long history of depression as an adult, was known for playing the supporting role of Richard "Boner" Stabone in the 1985-92 situation comedy Growing Pains.