John Stephenson was the original voice of Dr. Benton Quest, Jonny’s dad. After a few episodes, it was noted that Stephenson’s voice was a bit too close to Mike Road‘s, who voiced Race Bannon.

In the first feature-length animated movie based on the Hanna-Barbera series, Jonny Quest fans get to meet the women behind the adventurous men. Joining scientist Benton Quest, his plucky son ...