Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.

Who starred in the film Good Morning, Vietnam (1987)?
robin williams

Which actor, a former hospital patient in the T.V. comedy series 'Only When I Laugh' went on to play the Irish R.M.?
peter bowles

Which American film actor and comedian starred in such films as It's a Gift (1934) and 'What a Man (1941)?

w. c. fields