Alyssa Milano has been acting since the 1980s and is now an author and activist.
Alyssa Milano
But when she was on 'Who's the Boss?' she was America's sweetheart.
Naya Rivera
You probably know Naya from her role on 'Glee'.
Naya Rivera
But do you remember when she was on 'Family Matters' as Richie's girlfriend?
Ryan Gosling
Hey girl, we know you know who this is.
Ryan Gosling
But remember when he was on 'The Mickey Mouse Club'? Look at that youthful smolder.
Christian Bale
The Academy-Award-winner is one of Hollywood's biggest names.
Christian Bale
But before all that, Bale was in 1987's 'Empire of the Sun'.
Kristen Stewart
Kristen Stewart is pretty much a household name thanks to the 'Twilight' sage.
Kristen Stewart
Before that she starred with Jodie Foster in 'Panic Room'.
Katherine Heigl
Katherine Heigl is best known for her role on 'Grey's Anatomy' and starring with Seth Rogan in 'Knocked Up'.
Katherine Heigl
But she has been acting since 1992.
Jake Gyllenhaal
The acclaimed actor is no stranger to the industry.
Jake Gyllenhaal
Jake began his acting career back in 1991 in 'City Slickers'.
Fergie
Before Fergie was Fergie.
Fergie
She was Stacy Ferguson and was on 'Kids Inc.'.
Elisabeth Moss
Elisabeth might be most known for her role on 'Mad Men'.
Elisabeth Moss
But she has been acting since 1990 and was even in 'Suburban Commando' with Hulk Hogan!
Drake
Drake can be seen on the sideline of most Toronto Raptors' games when he is not performing.
Drake
But before all that when he was known as Aubrey Graham he played Jimmy on 'Degrassi'.
Hayden Panettiere
Before she was saving the world as a cheerleader on 'Heroes' and gracing the stage on 'Nashville'.
Hayden Panettiere
She was a feisty coach's kid who loved football in 'Remember the Titans'.
Jennifer Love Hewitt
You might think Jennifer Love Hewitt started her career with 'Party of Five'...
Jennifer Love Hewitt
But you would be wrong, she also started on 'Kid's Inc.'.
Lacey Chabert
This mean girl wasn't always wearing pink on Wednesdays.
Lacey Chabert
Lacey started acting in 1990 and gained notoriety from her role on 'Party of Five.'
Alyson Hannigan
Before Alyson was on 'How I Met Your Mother', 'American Pie', or even 'Buffy'...
Alyson Hannigan
She started acting back in the 1980's, including 'My Stepmother is an Alien' with Kim Basinger and Dan Akroyd.
Seth Green
Seth Green has been in a lot. From movies to television to 'Robot Chicken'.
Seth Green
Seth has been acting since the 1980s, he was even in 'Can't Buy Me Love' with McDreamy himself, Patrick Dempsey.
Jerry O'Connell
Chances are you have seen a show or a movie that Jerry has worked on.
Jerry O'Connell
And that's because he has been acting for a while. His first role was back in 1986 in 'Stand By Me'.
Milla Jovavich
Before Milla was slaying legions of the undead in the 'Resident Evil' franchise.
Milla Jovavich
She was marooned on a tropical island in 1991's 'Return to the Blue Lagoon'.
Shannen Doherty
Shannen became a star with her role in 'Beverly Hills, 90210'.
Shannen Doherty
But before that she starred in 'Heathers' and before that she was on 'Little House on the Prairie'!
Laurence Fishburne
Did you take the red pill or the blue pill?
Laurence Fishburne
Depending on which you chose you may or may not remember him in 'Cornbread, Earl and Me' which was even before his stint on 'PeeWee's Playhouse'.
Natasha Lyonne
Natasha Lyonne is everyone's favorite recovering addict in the Netflix Original 'Orange is the New Black'.
Natasha Lyonne
But even before she ruled the 90's teen movie scene, she was in 'PeeWee's Playhouse'.
Mischa Barton
Everyone remembers Mischa from her days on 'The O.C.'.
Mischa Barton
But do you remember her as the vomiting ghost in 'The Sixth Sense'?
Regina King
Emmy-winning actress Regina King has had quite the career.
Regina King
But before 'American Crime' and 'The Leftovers' there was 'Friday', 'Boyz in the Hood' and even before those, '227'.
Jurnee Smolett
Jurnee stars in the show 'Underground' and before that she was on 'True Blood'.
Jurnee Smolett
But way before all of that she was hanging out with Michelle Tanner on 'Full House'.
Ashley Johnson
Does Ashley look familiar? She should, she is on 'Blindspot' and was in 'Avengers', too.
Ashley Johnson
She was also Chrissy Seaver in 'Growing Pains' when she started acting back in 1990.
Natalie Portman
Natalie won an Oscar for her role in 'Black Swan'.
Natalie Portman
But before her role in the 'Star Wars' prequel trilogy, she was an assassin in the making in 'Leon: The Professional'.
Anna Pacquin
Remember Anna Pacquin? She was Rogue in the 'X-Men' franchise and Sookie on 'True Blood'.
Anna Pacquin
But do you remember when Anna was 11 and won an Academy Award for her supporting role in 'The Piano'?
Felicity Jones
If you don't know who Felicity Jones is, shame on you. She is the star of 'Rogue One' and was nominated for an Oscar for her role in 'The Theory of Everything'.
Felicity Jones
But before all of that success she was in a British television movie, 'The Treasure Seekers'.
Rose Byrne
Rose Byrne is an Australian actress known for her roles in 'Damages', 'Neighbors', and 'Bridesmaids'.
Rose Byrne
However, she started her career in 'Dallas Doll' in 1994.
Joseph Gordon-Levitt
JGL has been in all types of movies from '500 Days of Summer' to 'Inception'.
Joseph Gordon-Levitt
But do you remember when he saw the Angels win the pennant in 'Angels in the Outfield'?
Scarlett Johansson
Scarlett Johansson is one of the most recognizable actresses in the world.
Scarlett Johansson
And that's because she has been acting since 1994!
Michael Cera
Michael Cera is known for his quirkiness and being a lovable loser.
Michael Cera
And if you thought his first role was playing his part of the Bluth family, you'd be wrong. Remember he was in 'Frequency' when he was 10.
Neil Patrick Harris
Neil Patrick Harris starred as Barney Stinson in 'How I Met Your Mother'.
Neil Patrick Harris
But way before that he was child-doctor, Doogie Howser.
Johnny Galecki
There you are thinking, "Hey, I know him! He's in the 'Big Bang Theory'." And you're right.
Johnny Galecki
But do you remember him as Rusty from 'Christmas Vacation'?
Josh Hutcherson
Josh Hutcherson is probably most well known for playing Peeta in 'The Hunger Games' series.
Josh Hutcherson
But he has been acting since 2002.
Ryan Reynolds
Ryan Reynolds has been named 'Sexiest Man Alive' and has played two different superheroes!
Ryan Reynolds
And he was also Billy in the Canadian television show, 'Fifteen'.
Reese Witherspoon
Reese Witherspoon was nominated for an Academy Award for her starring role in 'Wild'.
Reese Witherspoon
And she started her long and successful career back in 1991 in the film 'The Man in the Moon'.
Drew Barrymore
Everyone knows Drew Barrymore and everyone loves Drew Barrymore.
Drew Barrymore
Remember how adorable she was in 'E.T.'? Now you do.
Joshua Jackson
Joshua Jackson was a teen heart-throb playing Pacey on 'Dawson's Creek'.
Joshua Jackson
But remember when he won the pee-wee hockey championship with the triple-deek?
Elijah Wood
Elijah Wood still looks like a youthful child star.
Elijah Wood
But even before he destroyed the One Ring, he was playing arcade games in 'Back to the Future Part II'.
Jessica Alba
Jessica Alba has been the Invisible Woman, Honey, and 'little' Nancy Callahan.
Jessica Alba
But before that, she was at 'Camp Nowhere' and in school with Alex Mack.
Kirsten Dunst
Kirsten Dunst played the iconic Mary Jane Watson in Raimi's 'Spider-Man' trilogy.
Kirsten Dunst
But she was also Claudia in arguably her best role in "Interview with the Vampire" in 1994.
Jena Malone
Jena Malone has been in 'The Hunger Games', 'SuckerPunch', and 'The Neon Demon'.
Jena Malone
But remember when she was in 'Contact' with Jodie Foster?
Kiera Knightly
Kiera Knightly has broken hearts in 'Love Actually', broken bones in 'Domino' and broken the rules in 'Pirates of the Caribbean' franchise.
Kiera Knightly
But even before she was Natalie Portman's handmaid in 'Star Wars: The Phantom Menace' she was in the British television movie, the 'The Treasure Seekers'.
Anthony Michael Hall
Anthony Michael Hall was one of the most iconic teenage actors in the 1980s with his roles in numerous John Hughes movies.
Anthony Michael Hall
But do you remember when he played Rusty Griswold in 'Vacation' with Chevy Chase?