Staring at the Sun  Hepburn relaxes in a London park in 1950.&quot;She had everything I was looking for: charm, innocence and talent. She also was very funny. She was absolutely enchanting, and we said, &#x27;That&#x27;s the girl!&#x27;&quot; director William Wyler said of casting her for &quot;Roman Holiday.&quot; (See more stunning photos like this one in LIFE Books&#x27; &quot;Remembering Audrey.&quot;)