Tobor The Great (1954)

Tobor the Great (a.k.a. Tobor) is a 1954 independently made American black-and-white science fiction film.
A young boy-genius befriends his grandfather's robot, designed as a test pilot for space travel and coveted by foreign spies.

Charles Drake ... Dr. Ralph Harrison
Karin Booth ... Janice Roberts
Billy Chapin ... Brian Roberts
Taylor Holmes ... Prof. Arnold Nordstrom
Steven Geray ... Man with Rimless Glasses
Henry Kulky ... Paul
Franz Roehn ... Karl
Hal Baylor ... Max

@JosTradingPost