The four main male roles are played by actors who all played Doctor Who: Jon Pertwee, Peter Davison, Sylvester McCoy and Colin Baker.
Originally the only doctor actors involved were Peter Davison, Colin Baker and Sylvester McCoy until one day the producer received a phone call from Jon Pertwee who said "I hear you're doing Doctor who, why aren't I in it" Pertwee was immediately cast in the film.
Not only does the Airzone Solution star several actors who played the Doctor in classic Doctor Who, but writer Nicholas Briggs also wrote three videos starring the Doctor Who villains the Autons and the Colin Baker starred The Stranger.
Another connection to Doctor Who, Nicola Bryant played the (5th Doctor's last serial) 6th Doctor's companion on classic Doctor Who. Writer Nicholas Briggs currently is credited with appearing in 38 episodes of New Doctor Who and many other Doctor Who properties including video games, Adventures in Space and Time, the Five(ish) Doctors, BBC at the Proms, the Sarah Jane Adventures, and Torchwood.