Question: Do both directors of films Isn'T It Romantic? (1948 Film) and Whisper (Film) share the same nationality?
Sentence (from "Whisper (film)"): Whisper is a 2007 American horror film directed by Stewart Hendler and starring Josh Holloway, Blake Woodruff, Joel Edgerton, Sarah Wayne Callies, Dulé Hill, Michael Rooker, and Cory Monteith.
Relevant evidence: Yes