Answer:
McDonald (or MacDonwald), who was leading Irish troops.
The Thane of Cawdor, who was rising up against his own king.
Sweno, the King of Norway.
Explanation:
The forces that are attacking Duncan's are led by the following three men.
I might get it wrong.
A-gaunt would be your answer
The Love Boat. Aired on November 3rd 1984. the episode was called
"Aerobic April / The Wager / Story of the Century"
hope this helps