Dwayne Bernard Hickman is a former actor and television executive at CBS,
known primarily for his "teenage" roles on television sitcoms. Hickman is best
known for playing Chuck MacDonald, Bob Collins’s (played by Bob Cummings)
teenaged nephew, on the popular 1950s series, The Bob Cummings Show
(a.k.a. Love That Bob), and the title role in The Many Loves of Dobie Gillis.

Dwayne Hickman and Bob Denver from Dobie Gillis