Who played Willis on the sitcom "Diff'rent Strokes"?

More Questions:

What world's currency is the Linden dollar?

Who wrote the short novel "The Old Man and the Sea"?

Which European country replaced the Pound with the Euro?

Which Canadian island is named after the father of Queen Victoria?

The Thousand Islands are located in what body of water?

In what country is Lake Baikal located?

In which African country would you find the towns of Kumasi and Cape?

What is the lowest land point on Earth?

What is the more common name for Hallux?

How many fluid ounces in a gill?

Why was paradise paved over, according to Joni Mitchell's "Big Yellow Taxi"?

Which character did Raquel Welch play in the 1966 Science fiction film "Fantastic Voyage"?

What is the name of Doc Brown's very clever dog in Back to the Future?

Within the English language, what author has the most published books?

Who played the role of the Grinch in the 2000 film "How the Grinch Stole Christmas"?