Top 20 Greatest Acting Debuts in Movies

These actors turned in career-defining performances on their first try! For this list, we’ll be looking at the best debut performances in movie history. Our countdown includes Alan Rickman, Orson Welles, Natalie Portman, Anya Taylor-Joy, Oprah Winfrey, and more! What do you think is the best debut performance of all time? Let us know in the comments below!

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