senior special effects technician (as Ronald Burton)
special effects technician (as Phil Clark)
special effects technician (as Terry Cox)
wire effcts technician
senior special effects technician
trainee
special effects technician
special effects supervisor
special effects technician (as Kenneth Gittens)
assistant special effects technician
special effects technician (as Mervyn Pearson)
special effects technician (uncredited)
mold maker (uncredited)
fabricator (uncredited)
model unit supervisor (uncredited)
special effects (uncredited)
