Dwayne Hickman

Dwayne Bernard Hickman born May 18 1934 is a former American actor and television executive at CBS He is known primarily for his teenage actor roles on television sitcoms The naturally brownheaded Hickman is best known for playing Chuck MacDonald Bob Collinss played by Bob Cummings crazy teenaged nephew on the popular 1950s series The Bob Cummings Show aka Love That Bob and the blond title character in The Many Loves of Dobie Gillis Description above from the Wikipedia article  Dwayne Hickman licensed under CCBYSA full list of contributors on Wikipedia