Complex sentence: Oakley and Weinstein, who often search for "the absolutely perfect voice" when looking for guest stars rather than simply using celebrities, felt that Hickey's gruff raspy voice would be perfect for the role, but he turned them down.
Split into simpler sentences: Oakley and Weinstein often searched for "the absolutely perfect voice" when looking for guest stars, rather than simply using celebrities. They felt that Hickey's gruff raspy voice would be perfect for the role, but he turned them down.