As a director , he was responsible for three Doctor Who serials between 1986 and 1989 : The Mysterious Planet starring Colin Baker , Paradise Towers and The Curse of Fenric ( both starring Sylvester McCoy ) .
Mallett was a production unit manager on Blake 's 7 .
As a director , Mallett was responsible for three Doctor Who serials between 1986 and 1989 : The Mysterious Planet starring Colin Baker , Paradise Towers and The Curse of Fenric ( both starring Sylvester McCoy ) .
Mallett was a production unit manager on Blake 's 7 .