Reportedly, the actor died Monday Livermore, California.
The actor's daughter, Jennifer Bain, confirmed her father's death to TMZ, saying: "He was an amazing person. He was a lot like Mr. Drummond, but much more interesting in real life. He was an amazing father." She added that Bain was with family for his last days.
According to the Huffington Post, at age 55, the Canadian-born Bain appeared on 179 episodes of the landmark "Diff'rent Strokes" sitcom, which ran from 1978 to 1986. Bain played a Manhattan millionaire who adopted the children of his former household maid, an African American. The children were played by child stars Gary Coleman, Todd Bridges and Dana Plato.
Bain also made appearances at Dr. Arthur Harmon on "Maude" and as Charles Custers on "The Love Boat." The actor's last television performance was a guest stint on CBS' "Unforgetable," in 2011.