Complex sentence: Gavaris told Ross that Michiel Huisman, Jerome Flynn and Maria Doyle Kennedy all thought he was English: When I turned it off after the read-through, (Kennedy) was very taken aback.
Split into simpler sentences: Gavaris told Ross that Michiel Huisman, Jerome Flynn and Maria Doyle Kennedy all thought he was English. When I turned it off after the read-through, (Kennedy) was very taken aback.