Tall, with a full-boned face and a mass of well-combed dark hair, Alan Thicke survived one of the most publicized debacles in the annals of 1980s television--the failure of his "Thicke of the Night" late-night syndicated talk show--to find success as the star of TV sitcoms and as host of numerous TV specials. Actually, Thicke has had numerous careers. He started as a disc jockey in his native Canada, and then began commuting between Hollywood and Canada, writing and producing TV variety specials on California and hosting his own daytime talk show out of Vancouver....