Henri Donald Foster (July 31, 1889 – December 23, 1969) was an American actor who appeared in a number of television series during the 1950s and 1960s, including Perry Mason, The Addams Family, Bewitched, That Girl,and The Monkees.

He played recurring character Herbert Johnson, the Baxters' dotty neighbor in the 1960s sitcom, Hazel.

[1] Foster's first acting experience was on a showboat on the Mississippi River.

[3] His final Broadway performance was in The Ponder Heart (1956).

[4] On December 23, 1969, Foster died at his home in Hollywood, California.