On screen
Cast
10 credited performers
Tim Matheson
Jonny Quest (voice)
Mike Road
Race Bannon (voice)
Danny Bravo
Hadji (voice)
Don Messick
Dr. Quest / Bandit (voice)
Vic Perrin
Character not listed
John Stephenson
Dr. Quest (voice)
Henry Corden
Character not listed
Cathy Lewis
Character not listed
Keye Luke
Character not listed
Jesse White
Character not listed