You must know how to protect plants in this line of work. If Gillyweed is taller than a Mandrake, and a Shrivelfig is shorter than Gillyweed, which of these statements holds true?
The character of Severus Snape is portrayed by British actor Alan Rickman in all the film adaptions. He is therefore one of the 14 characters that appears in all eight films. Rickman was 54 in the first film while Snape was supposed to be only 31, but make-up can do wonders.