Ken Jeong breaks down his most iconic characters, including his roles in 'Knocked Up,' 'The Office,' 'Role Models,' 'The Hangover' trilogy, 'Community,' 'Bob's Burgers,' 'Dr. Ken,' 'Crazy Rich Asians,' 'The Masked Singer' and 'Ken Jeong: You Complete Me, Ho.'

Willem Dafoe down his most iconic characters, including his roles in 'The Loveless,' 'To Live and Die in L.A.,' 'Platoon,' 'The Last Temptation of Christ,' 'Mississippi Burning,' 'Wild at Heart,' 'The Boondock Saints,' 'Spider-Man,' 'The Life Aquatic with Steve Zissou,' 'Mr. Bean’s Holiday,' 'Antichrist,' 'The Florida Project' and 'At Eternity’s Gate.'

Tim Roth down his most iconic characters, including his roles in 'Reservoir Dogs,' 'Pulp Fiction,' 'Made in Britain,' 'The Hit,' 'Planet of the Apes,' 'Vincent & Theo,' 'Rosencrantz & Guildenstern Are Dead,' 'Rob Roy,' 'Funny Games,' 'Lie to Me,' 'The Hateful Eight,' 'Tin Star,' and 'Twin Peaks.'

Caleb Landry Jones breaks down his most iconic characters, including his roles in 'No Country for Old Men,' 'The Last Exorcism,' 'X-Men: First Class,' 'God's Pocket,' 'Get Out,' 'Three Billboards Outside Ebbing, Missouri,' 'American Made,' 'The Florida Project,' 'Twin Peaks: The Return' and 'Heaven Knows What.'

Pedro Pascal breaks down his most iconic characters, including his roles in 'Game of Thrones,' 'Narcos,' 'The Good Wife,' 'The Mentalist,' 'Kingsman: The Golden Circle,' 'The Equalizer 2' and 'Triple Frontier.'

Ralph Fiennes breaks down his most iconic characters, including his roles in 'Harry Potter,' 'Schindler's List,' 'Coriolanus,' 'The Grand Budapest Hotel,' 'Sunshine,' 'The White Crow,' 'A Bigger Splash,' 'The English Patient,' and 'The Constant Gardener.'

Seth Rogen breaks down his most iconic characters, including his roles in 'The 40-Year-Old Virgin,' 'Superbad,' 'Pineapple Express,' 'Freaks and Geeks,' 'This is the End,' 'The Interview,' 'Observe and Report,' 'Steve Jobs' and 'Long Shot.'

Sir Ben Kingsley breaks down his most iconic roles, including his roles in 'Gandhi,' 'Schindler's List,' 'Iron Man 3,' 'Sexy Beast,' 'The Jungle Book,' 'Perpetual Grace, LTD,' 'House of Sand and Fog,' 'Shutter Island' and 'Hugo.'

Alec Baldwin breaks down his most iconic characters, including his roles in '30 Rock,' 'Beetlejuice,' 'The Royal Tenenbaums,' 'Glengarry Glen Ross,' 'The Hunt for Red October,' 'Blue Jasmine' and 'Mission: Impossible.'

Jon Hamm breaks down his most iconic characters, including his roles in 'Mad Men,' '30 Rock,' 'A Young Doctor's Notebook,' 'Black Mirror,' 'Unbreakable Kimmy Schmidt,' 'Beirut,' 'Bridesmaids,' 'Good Omens' and 'The Congress.'

Jake Gyllenhaal breaks down his most iconic characters, including his roles in 'Donnie Darko,' 'Spider-Man: Far From Home,' 'Nightcrawler,' 'October Sky,' 'Brokeback Mountain,' 'End of Watch' and 'Stronger.'

Alan Cumming breaks down his most iconic characters, including his roles in 'GoldenEye,' 'The Good Wife,' 'Eyes Wide Shut,' 'X2: X-Men United,' 'Spice World,' 'Prague,' 'Romy and Michele’s High School Reunion,' 'Black Beauty,' 'Emma,' the 'Spy Kids' trilogy, 'Josie and the Pussycats' and 'Instinct.'

Kevin Bacon breaks down his most iconic characters, including his roles in 'Footloose,' 'Tremors,' 'National Lampoon's Animal House,' 'X-Men: First Class,' 'Diner,' 'Sleepers,' 'A Few Good Men,' 'Flatliners,' 'Friday the 13th,' 'The River Wild,' 'Apollo 13,' 'The Woodsman,' 'Hollow Man,' 'Mystic River,' 'Crazy Stupid Love,' 'The Following,' 'City On a Hill' and 'You Should Have Left.'

John Goodman breaks down his most iconic characters, including his roles in 'The Big Lebowski,' 'Roseanne,' 'Monsters, Inc.,' 'True Stories,' 'Raising Arizona,' 'Arachnophobia,' 'The Babe,' 'The Flintstones,' 'Barton Fink,' 'King Ralph,' '10 Cloverfield Lane,' 'O Brother, Where Art Thou?,' 'Flight,' 'Treme,' 'Inside Llewyn Davis,' 'Argo,' and 'The Righteous Gemstones.'

Gerard Butler breaks down his most iconic characters, including his roles in '300,' 'How to Train Your Dragon,' 'The Phantom of the Opera,' 'Den of Thieves,' 'P.S. I Love You,' 'Law Abiding Citizen,' 'The Ugly Truth,' 'Olympus Has Fallen' and 'London Has Fallen.'

Sarah Paulson breaks down her most iconic characters, including her roles in 'American Horror Story,' '12 Years a Slave,' 'American Crime Story,' 'Studio 60 on the Sunset Strip,' 'Ocean's Eight,' 'Game Change' and 'The Goldfinch.'

We interviewed Cillian Murphy at the Fitzpatrick Castle Hotel in Killiney, Co. Dublin, Ireland about his most iconic characters. Watch as he breaks down his roles in ’28 Days Later, ‘Batman Begins,’ ‘The Dark Knight,’ ‘The Dark Knight Rises,’ ‘Inception,’ ‘Dunkirk,’ ‘Disco Pigs,’ ‘The Wind that Shakes the Barley,’ ‘Peaky Blinders,’ ‘Breakfast on Pluto’ and ‘Sunshine.’

Forest Whitaker breaks down his most iconic characters, including his roles in 'Fast Times at Ridgemont High,' 'The Last King of Scotland,' 'Rogue One: A Star Wars Story,' 'Arrival,' 'The Color of Money,' 'Bird,' 'Ghost Dog: The Way of the Samurai,' 'Lee Daniels’ The Butler,' 'Platoon,' 'The Crying Game' and 'Godfather of Harlem.'

Arnold Schwarzenegger breaks down his most iconic characters, including his roles in 'The Terminator,' 'The Terminator 2: Judgement Day,' 'Predator,' 'Batman & Robin,' 'Pumping Iron,' 'Conan the Barbarian,' 'Twins,' 'Kindergarten Cop,' 'Jingle All the Way,' 'Total Recall,' 'True Lies' and 'Terminator: Dark Fate.'

Edward Norton breaks down his most iconic roles, including his characters in 'Fight Club,' 'American History X,' 'Primal Fear,' 'Rounders,' '25th Hour' and 'Motherless Brooklyn.'

Watch as Al Pacino breaks down four of his most iconic roles, including his characters in 'Serpico,' 'Dog Day Afternoon,' 'The Godfather' and 'Scarface.'

Tim Blake Nelson breaks down his most iconic roles, including 'O Brother, Where Art Thou?,' 'Watchmen,' 'The Ballad of Buster Scruggs,' 'This is My Life,' 'Heavyweights,' 'The Thin Red Line,' 'Minority Report,' 'Holes,' 'The Incredible Hulk,' 'Lincoln,' 'Just Mercy' and 'The Report.'

Mark Ruffalo breaks down his most iconic characters, including his roles in 'The Avengers,' 'Spotlight,' 'Shutter Island,' '13 Going on 30,' 'Eternal Sunshine of the Spotless Mind,' 'Zodiac,' 'The Kids are Alright' and 'Dark Water.'

Ray Liotta breaks down his most iconic roles, including his characters in 'Goodfellas,' 'Something Wild,' 'Field of Dreams,' 'The Rat Pack,' 'Hannibal,' 'Heartbreakers,' 'Blow,' 'The Place Beyond the Pines,' 'The Iceman,' 'Shade of Blue' and 'Marriage Story.'

Octavia Spencer breaks down her most iconic roles, including her characters in 'The Shape of Water,' 'Hidden Figures,' 'The Help,' 'Snowpiercer' 'Fruitvale Station,' 'Ma' and 'Truth Be Told.'