Midnight Cowboy

The graduate

Lenny

Papillon

All The President's Men

I'll go with (in alphabetical order):

• All the President's Men
• The Graduate
• Kramer vs. Kramer
• Midnight Cowboy
• Papillon

For Acting

1. Marathon Man
2. Rain Man
3. All the Presidents Men
4. Straw Dogs
5. Papillon

Honorable Mention- The Graduate, Little Big Man, Midnight Cowboy, Kramer vs Kramer, Outbreak

For Fun to Watch

• Wag the Dog
• Meet the Fockers
• Tootsie

1. Lenny
2. Tootsie
3. Rain Man
4. The Graduate
5. Midnight Cowboy

Not his most acclaimed role but it's my fave... The Messenger (1999)

He plays a shadowy priest who may or may not be a figment of Joan of Arc's imagination.