TV Shows (Acting Roles)
Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages
The Invaders
John Mayo was ? in The Invaders as 'Weatherman, Alien'.TV Show Released: First Air Date
Tue, Jan 10 1967

The Fugitive
John Mayo was ? in The Fugitive as 'Mr. Williams, Technician'.TV Show Released: First Air Date
Tue, Sep 17 1963