Bryant was originally an actor and appeared in the 1950s soap opera
The Grove Family. Later, he became a
BBC Radio announcer while writing radio scripts as a sideline. This led to him becoming a script editor in the Radio Drama Department and eventually the head of the Drama Script Unit. In 1967 he transferred from radio to television, where head of serials
Shaun Sutton put him to work with script editor
Gerry Davis on
Doctor Who as a "Story Associate" then story editor. Bryant was also the
script editor on the last 4 episodes of
The Evil of the Daleks and the whole of
The Abominable Snowmen,
The Ice Warriors and
The Enemy of the World. One of Bryant's last contributions to
Doctor Who was the casting in June 1969 of
Jon Pertwee as the
Third Doctor. After the casting of Jon Pertwee as the new Doctor, Bryant left
Doctor Who to become the new producer of
Paul Temple, following the departure of
Alan Bromly. Bryant soon brought over
Derrick Sherwin to join him on
Paul Temple. Bryant and Sherwin had previously worked together on
Doctor Who. Bryant later became a
literary agent to writers and a
casting agent to actors. One of his clients was
Eric Pringle, who wrote the
Doctor Who story
The Awakening. ==Personal life==