Are the people at the prop bets actors?

Are the people at the prop bets actors?During a blooper Alex said "Well done,and you're fired" to a woman who successfully completed a prop bet.

And if they ARE actors...

What is the name of the blonde woman who was at the table at the prop bet where they had to make a five sided star with toothpicks?


I should have known those alien maggots booby trapped this sub.