His Excellency is a 1957 British television play based on a 1950 stage play.
It was a rare early dramatic role for Shirley Eaton, her first performance since The Dance Dress. She said "I wanted to play a straight part."
A former trade union leader becomes the governor of a far-flung British colony.
The Bolton News called it "intensely exciting, dramatically real."
The Daily Telegraph said Johns "brought unsual conviction and depth of deeling to the part... the result was not perhaps one of the most ambitious television plays but certainly one of the most satisfying I can remember."