Angelina Jolie was recognised as Best Supporting Actress in 1999's Girl, Interrupted by a joint poll conducted by US magazine Parade and Entertainment Tonight.
Morgan Freeman was named the top Best Supporting Actor for 2004's Million Dollar Baby.
Julia Roberts, who won an Oscar for her role in Erin Brockovich in 2000, was chosen favourite Best Actress winner.
Tom Hanks has twice walked away with the Best Actor Oscar, for 1993's Philadelphia and the following year's Forrest Gump.
1997's Titanic remains the public's favourite Best Film winner, ahead of The Godfather and The Lord of the Rings: The Return of the King.