Top 10 Greatest Actor Transformations

10. Eric Bana
Eric Bana is an Australian film and television actor. He began his career as a comedian in the sketch comedy series Full Frontal before gaining critical recognition in the biographical film Chopper.
9. Hugh Jackman
Hugh Michael Jackman is an Australian actor and producer who is involved in film, musical theatre, and television. Jackman has won international recognition for his roles in major films, notably as superhero, period, and romance characters.
8. Tom Hanks
Thomas Jeffrey "Tom" Hanks is an American actor, producer, writer, and director. Hanks is best known for his roles in Big, A League of Their Own, Sleepless in Seattle, Forrest Gump, Apollo 13
7. Matt Damon
Matthew Paige "Matt" Damon is an American actor, voice actor, screenwriter, producer, and philanthropist whose career was launched following the success of the drama film Good Will Hunting
6. Russell Crowe
Russell Ira Crowe is a New Zealand actor, film producer and musician based in Australia and the United States.
5. Vincent D'Onofrio
Vincent Philip D'Onofrio is an American actor, director, film producer, writer, and singer. An accomplished character actor, he has been referred to as "The Human Chameleon" and is often referred to as an actor's actor.
4. Robert De Niro
Robert De Niro is an American actor, voice actor, director, and producer. His first major film roles were in Bang the Drum Slowly and Mean Streets.
3. Jared Leto
Jared Leto is an American actor, singer-songwriter, musician, director, producer, activist, philanthropist and businessman.
2. Renée Zellweger
Renée Kathleen Zellweger is an American actress, producer and voice artist. She first gained widespread attention for her role in the film Jerry Maguire, and subsequently received two nominations
1. Christian Bale
Christian Charles Philip Bale is an English actor. He has starred in both blockbuster films and smaller projects from independent producers and art houses.