Based on versatility and ability to absolutely blow you away

• Daniel Day-Lewis
• Marlon Brando
• Jack Nicholson
• Paul Newman
• James Dean
• Robert DeNiro
• Al Pacino
• Sidney Poitier
• Dustin Hoffman
• Tom Hanks
• Sean Penn
• Robert Redford
• Clint Eastwood
• John Malkovich
• Tom Cruise
• Jack Lemmon
• Robin Williams
• Leonardo DiCaprio
• Johnny Depp
• Denzel Washington

Honorable Mentions: Jimmy Stewart, Steve McQueen, Henry Fonda, Russell Crowe and Christian Bale ('20 best screen actresses ever' to come...)