Large amount of duplicates

On this page, https://www.imdb.com/title/tt36106771/fullcredits/?ref_=ttrv_fcr_lst 

I stumbled upon two identical credits for the same job and was about to submit a merge... until I looked closer and realized that there are about two dozen people who are listed twice for the same role. Is there an easier fix than submitting merges one by one?