The 5th St. Louis Gateway Film Critics Association Awards were awarded on December 15, 2008.

Winners and nominees

Best Actor

• • Sean Penn – Milk as Harvey Milk
• Frank Langella – Frost/Nixon
• Richard Jenkins – The Visitor
• Mickey Rourke – The Wrestler
• Leonardo DiCaprio – Revolutionary Road

Best Actress

• • Kate Winslet – Revolutionary Road as April Wheeler and The Reader as Hanna Schmidtz
• Angelina Jolie – Changeling
• Cate Blanchett – The Curious Case of Benjamin Button
• Anne Hathaway – Rachel Getting Married

Best Animated Film

• • WALL-E
• Kung Fu Panda
• Madagascar: Escape 2 Africa
• Bolt
• Chicago 10
• Waltz With Bashir

Best cinematography

• • Australia – Mandy Walker
• The Curious Case of Benjamin Button – Claudio Miranda
• The Dark Knight – Wally Pfister
• Revolutionary Road – Roger Deakins
• Slumdog Millionaire – Anthony Dod Mantle
• Milk – Harris Savides

Best Director

• • Danny Boyle – Slumdog Millionaire
• Ron Howard – Frost/Nixon
• David Fincher – The Curious Case of BenjaminButton
• Gus Van Sant – Milk
• Christopher Nolan – The Dark Knight

Best Documentary Film

• • Man on Wire
• Body of War
• Pray the Devil Back to Hell
• Shine a Light
• Standard Operating Procedure

Best Film

• • The Curious Case of Benjamin Button
• Milk
• Slumdog Millionaire
• The Dark Knight
• Frost/Nixon

Best Film – Comedy

• • Burn After Reading
• Zack and Miri Make a Porno
• Tropic Thunder
• Forgetting Sarah Marshall
• Role Models

Best Foreign Language Film

• • Slumdog Millionaire • India/UK/United States
• Let the Right One In • Sweden
• The Class • France
• I've Loved You So Long • France
• Tell No One • France

Best Music

• • The Visitor
• Gran Torino
• WALL-E
• Cadillac Records
• The Dark Knight

Best Screenplay

• • Frost/Nixon – Peter Morgan
• The Curious Case of Benjamin Button – Eric Roth and Robin Swicord
• Gran Torino – Nick Schenk
• Slumdog Millionaire – Simon Beaufoy
• Milk – Dustin Lance Black

Best Supporting Actor

• • Heath Ledger – The Dark Knight as The Joker posthumous win
• Josh Brolin – Milk
• Robert Downey Jr. – Tropic Thunder
• Michael Shannon – Revolutionary Road
• Jeffrey Wright – Cadillac Records
• John Malkovich – Burn After Reading

Best Supporting Actress

• • Viola Davis – Doubt as Mrs. Miller
• Taraji P. Henson – The Curious Case of Benjamin Button
• Penélope Cruz – Vicky Cristina Barcelona
• Marisa Tomei – The Wrestler
• Frances McDormand – Burn After Reading
• Amy Adams – Doubt

Best Visual Effects

• • The Dark Knight
• The Curious Case of Benjamin Button
• Iron Man
• Speed Racer
• WALL-E
• Synecdoche, New York

Most Original, Innovative or Creative Film

• • The Curious Case of Benjamin Button
• Wall-E
• Speed Racer
• Waltz With Bashir
• Slumdog Millionaire
• Synecdoche, New York