Have you ever been curious about who would make the list of 10 best Irish American actors? Some of the most popular actors of all time were Irish American. Let's see how many of these popular Irish American actors you recognize. You may be surprised.

  1. John Wayne: Yes, indeed, "The Duke" was an Irish American though, despite claims that he was pure Irish were untrue. In addition to his Irish heritage, John Wayne also had Scottish and English ancestry. Best known for his parts in "Sands of Iwo Jima," "Fort Apache" and "Rio Grande," he was a classic American tough guy and much-loved throughout the world.

  2. Bing Crosby: Said to be the 20th century's first multi-media entertainer, Bing Crosby was known as a star on the radio and in the movies. His songs topped the charts time and time again. Surprisingly, he had more No. 1 singles than Elvis Presley or The Beatles. Best known for his role as Father O'Malley in both "Going My Way" and "The Bells of St. Mary's," Bing is forever remembered for his rendition of "White Christmas."

  3. Marlon Brando: Considered to be one of the greatest movie stars of all time, Marlon Brando was a very talented Irish American actor from Omaha, Nebraska. Brando was popular on Broadway as well as the silver screen and is best-known for his role as Don Corleone in "The Godfather."

  4. Robert Redford: One of the more obvious members on our list of best Irish American actors would have to be ginger haired lefty, Robert Redford. Best known for his films, "Butch Cassidy and the Sundance Kid" and "The Sting," his most recent film was "Lions for Lambs," released in 2007.

  5. Jack Nicholson: An Irish American actor of Irish and Dutch descent, Jack Nicholson was abandoned by his father at a young age and raised believing that his grandmother was his mother and that his biological mother was his older sister. Jack Nicholson is perhaps best known for his roles in "The Shining" and "As Good as it Gets."

  6. Clint Eastwood: If you're looking for the quintessential macho man, you'll definitely want to check out this rugged Irish American actor. Clint Eastwood is best known for his roles in spaghetti westerns and the "Dirty Harry" collection.

  7. Harrison Ford: With an Irish father and a Russian-Jewish mother, Harrison Ford grew up in Park Ridge, Illinois, earning him a position on our list of top Irish American actors. Amusingly, Ford gave up acting to pursue a career in carpentry but would later try again, landing the role of Han Solo in "Star Wars." He also starred in the hit "Indiana Jones" movies.

  8. Johnny Depp: Born in Kentucky and raised in Florida, this Irish American actor originally had dreams of being a rock star. Fortunately, he decided to become an actor after meeting with Nicolas Cage and made his debut in "A Nightmare on Elm Street" in 1984. Since then, he has starred in many movies, including the popular "Pirates of the Caribbean."

  9. Robert De Niro: Considered to be one of the greatest actors of his time, Robert De Niro is one of the best Irish American actors to ever play a mobster. While he's starred in many great movies, he's probably best known for his role in the 1990 film "Goodfellas."

  10. George Clooney: Amusingly, one of the best Irish American actors to ever grace the silver screen spent an entire year sleeping in a friend's closet because he couldn't get a role in a film. Fortunately, George Clooney's acting success has changed for the better and he's now known for great films like "Ocean's Eleven" and his role of Dr. Doug Ross on "ER."