Question: The character Igor Dmitriev played in "Hamlet" was summoned by what king to distract the prince from his apparent madness?
Related documents: [0]  [DOC] Igor Borisovich Dmitriev (Russian: И́горь Бори́сович Дми́триев ) (May 29, 1927 – January 26, 2008) was a Russian film and theater actor who specialized in playing aristocratic characters in costume productions (e.g., Rosencrantz in Grigori Kozintsev's "Hamlet"). [END] 
[1]  [DOC] Rosencrantz and Guildenstern are characters in William Shakespeare's tragedy "Hamlet". They are childhood friends of Hamlet, summoned by King Claudius to distract the prince from his apparent madness and if possible to ascertain the cause of it. The characters were revived in W. S. Gilbert's satire, "Rosencrantz and Guildenstern", and as the alienated heroes of Tom Stoppard's absurdist play, "Rosencrantz and Guildenstern Are Dead", which was adapted into a film. [END] 
Answer: 
King Claudius
King Claudius