So sad is the passing of Alan Thicke. Such a good husband, father, brother, and friend. He will be deeply missed. Rest in peace dear Alan. — bob saget (@bobsaget) December 14, 2016

Actor Alan Thicke has died suddenly, his publicist confirmed.He was 69.Carleen Donovan, who is a publicist for Thicke's son, singer Robin Thicke, says the actor died from a heart attack on Tuesday in Los Angeles. She had no further details.Thicke was most well-known in his popular role of Dr. Jason Seaver in '80s ABC sitcom "Growing Pains."Thicke had a son and daughter. Thicke's son Robin is a well-known R&B performer.Alan Thicke was a musician himself, credited as the composer for theme songs to popular sitcoms such as "Facts of Life" and "Diff'rent Strokes."Thicke's Twitter account was active as recent as 4 p.m. Tuesday afternoon about his guest role in Fuller House.In 1988, Alan Thicke joined with Jan Glenn and Don Nelson to host the ABC13 coverage of the Foley's Thanksgiving Day parade.