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 brown-headed Hickman is best known for playing Chuck MacDonald, Bob Collins's (played by Bob Cummings) crazy teenaged nephew, on the popular 1950s series, The Bob Cummings Show (a.k.a. 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 CC-BY-SA, full list of contributors on Wikipedia.
Cast
Rusty Leads the Way
Nip Worden (uncredited)

Cat Ballou
Jed

A Night at the Roxbury
Fred Sanderson

How to Stuff a Wild Bikini
Ricky

Dr. Goldfoot and the Bikini Machine
Todd Armstrong

1001 Arabian Nights
Aladdin (voice)

My Dog, the Thief
Jack Crandall

Surviving Gilligan's Island: The Incredibly True Story of the Longest Three Hour Tour in History
Network Executive #1

Ski Party
Craig Gamble

Doctor, You've Got to Be Kidding!
Hank Judson

Rally 'Round the Flag, Boys!
Grady Metcalf

Don't Push, I'll Charge When I'm Ready
Sgt. Ed Hutchins

The Secret Heart
Chase as a Child

Whatever Happened to Dobie Gillis?
Dobie Gillis

Faithful in My Fashion
Eddie

Mighty Joe Young
Boy (uncredited)

Captain Eddie
Louis Rickenbacker

The Hoodlum Saint
Johnny Ryan (uncredited)

High School U.S.A.
Mr. Plaza

Bring Me the Head of Dobie Gillis
Dobie Gillis

The Boy with Green Hair
Joey

Rusty Saves a Life
Nip Worden

Cops n Roberts
Brian Thursday

The Return of Rusty
Bobby

Sergeant Deadhead
Dwayne

Dr. Goldfoot and the Girl Bombs
Todd Armstrong (uncredited) (archive footage)