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Christopher Plummer (Captain Von Trapp) taught his on-screen daughter Charmian Carr (Liesl) how to drink. Carr was 21 at the time.
'I had a huge crush on him,' Carr told Oprah Winfrey. 'He was so perfect and he spoke with this perfect, British accent.'
(Pictured: Charmian Carr (Liesl) in a scene from 'The Sound of Music'.)
( Photo / Twentieth Century Fox Film Corporation / Robert Wise Productions)