Retro Hole has put together a supercut of every Love Boat guest, including everyone from every regular Season 1-9 episode and the first three specials after the show ended.

At the end, it shouts out the regular cast, too.
This would be great to use for a fantastic game among friends who are knowledgable about celebs of the '80s and before — simply take turns naming someone who was on The Love Boat, and the first person to draw a blank or say someone who never sailed loses!
Watch for a neverending sinking feeling: