Question: What member of the cast of the television series "Blue Bloods" on CBS has also voiced Ernest Hemingway in a 2013 documentary called Cooper & Hemingway: The True Gen?
Sentence (from "Cooper &amp; Hemingway: The True Gen"): Written and directed by John Mulholland, it is narrated by actor Sam Waterston with actor Len Cariou as the voice of writer Ernest Hemingway.
Relevant evidence: Yes