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Other films of the era began to show a more sinister approach , beginning with the 1946 film " Shock " , in which actor Vincent Price plays a doctor who plots to murder a patient using an overdose of insulin in order to keep the fact that he was a murderer a secret .
 person: Vincent Price
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Vincent Price