special effects technician (179 episodes, 1995-2004)
special effects foreman (9 episodes, 1998-2004)
special effects / special effects supervisor (2 episodes, 1999-2001)
special effects (1 episode, 1999)
special effects technician (unknown episodes)
special effects foreman (uncredited) (unknown episodes)
special effects costumes (uncredited) (unknown episodes)