Question: Which American actor is related to James Gunn and is a member of the cast of Guardians of the Galaxy Vol. 2?
Sentence (from "Guardians of the Galaxy Vol. 2"): The film is written and directed by James Gunn and stars an ensemble cast featuring Chris Pratt, Zoe Saldana, Dave Bautista, Vin Diesel, Bradley Cooper, Michael Rooker, Karen Gillan, Pom Klementieff, Elizabeth Debicki, Chris Sullivan, Sean Gunn, Sylvester Stallone, and Kurt Russell.
Relevant evidence: Yes