So whether they are EJO or whether they are Barack Obama, they will ONLY get a credit if they actually spoke.
And conversely, if you're not a member of SAG, you are not allowed to speak at all. They had the balls, the pure nads, to tell that to the King of Jordan...
(well he wasn't king at the time, but he was crown prince...
Link )
No! You're kidding! We wouldn't bend the rules for foreign royalty? In the United States of America?
Dear God, next you'll tell me that Prince Charles isn't going to be coming over to invoke prima nocta on my new wife.