- Jimmy Elliott
- senior visual effects director / visual effects director (5 episodes, 1968-1969)
- John Jelly
- visual effects production manager (4 episodes, 1968-1969)
- Peter Wragg
- director: visual effects - 2nd unit / visual effects director: second unit (4 episodes, 1968)
- Shaun Whittacker-Cook
- director: visual effects - main unit (3 episodes, 1968-1969)
- Nick Procopides
- visual effects camera operator / camera operator: visual effects - main unit (3 episodes, 1968)
- Noel Rowland
- camera operator: visual effects - 2nd unit / camera operator: visual effects - main unit / visual effects camera operator: second unit (3 episodes, 1968)
- Ted Wooldridge
- lighting cameraman: visual effects - 2nd unit / visual effects lighting cameraman: second unit (3 episodes, 1968)
- Bill Camp
- director: visual effects - main unit / visual effects director (2 episodes, 1968)
- Les Paul
- lighting cameraman: visual effects - main unit / visual effects lighting cameraman (2 episodes, 1968)
- Alan Berry
- director: visual effects - 2nd unit (2 episodes, 1969)
- Ray Brown
- models (1 episode, 1968)
- Ted Cutlack
- camera operator: visual effects - main unit (1 episode, 1968)
- Bert Mason
- visual effects lighting cameraman (1 episode, 1968)
- Derek Meddings
- supervising visual effects director (1 episode, 1968)
- Harry Oakes
- lighting cameraman: visual effects - main unit (1 episode, 1968)
- Mike Trim
- designer (1 episode, 1968)