Frankenstein's assistant, in film (4)

I believe the answer is:
igor
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">frankenstein's assistant in film</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for igor that I've seen before include "Maybe 8 [SIKORSKY]" , "Stravinsky, for example" , "Card game" , "Prince in Borodin's opera" , "Prince --, opera by Borodin" .)