TV / Movies: Born July 1, 1952, He Starred In This Movie: The Gift of Winter ?

Questions

What viral skin condition does folklore say is caused by handling toads?

What vitamin found in carrots is good for the eyes?

What vitamin is also called ascorbic acid?

What vitamin is most commonly added to milk, becasue it is not found in milk naturally?

What vitamin is sometimes called the 'sunshine vitamin'>?