Visual Effects by
Steven Archer ------------------ Assistant to Ray Harryhausen
Jim Danforth ------------------- Assistant to Ray Harryhausen
Ray Harryhausen ------------- Creator of special visual effects
Jim Danforth ------------------- Animator (uncredited)
Dawn King ------------------------ Junior to Ray Harryhausen (uncredited)
Credits source: https://www.imdb.com/title/tt0082186/fullcredits/?ref_=tt_cst_sm