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 agesThe Invaders
John Mayo was
? in The Invaders
as 'Weatherman, Alien'.
First Air Date
Tue, Jan 10 1967
The Fugitive
John Mayo was
? in The Fugitive
as 'Mr. Williams, Technician'.
First Air Date
Tue, Sep 17 1963