Anthony Hopkins said his voice for this movie role was "a combination of Truman Capote and Katharine Hepburn"
In preparation for their 
roles, both Hopkins and Ted Levine studied files of serial killers (Levine later said 
that... [DOC] [TLE] Why Silence of the Lambs Is a Perfect Valentine's Day Movie - VH1 [PAR] Feb 14, 2016 ... Anthony Hopkins said the voice he used as Hannibal was a combination of 
Truman Capote and Katharine Hepburn.