▲The retired actor credited participating in theater with helping him conquer the disorder.

▲The speech impediment of the influential British prime minister has been a topic of discussion for decades.

▲The actress stuttered as a young girl, but doesn't often talk about it.

▲The King of Rock 'n' Roll started singing as a technique of speech therapy to help with his stutter.

▲The golf star has talked about his struggle and being bullied as a consequence of his stutter.

▲Grant stuttered as a child but worked through it.

▲The 'Alice's Adventures in Wonderland' author struggled with stuttering his entire life. In fact, he used writing as an escape, as it gave him a fluency he otherwise lacked.

▲A teacher encouraged the actress to participate in a play when she was 12 despite her stutter, which Blunt has said was a turning point in her life.

▲The 'Vertigo' actor discussed his stutter openly and elegantly, and the actor has become a symbol of pride for the stuttering community.

▲The British monarch's disorder was the subject of the film 'The King's Speech,' which won four Oscars in 2011.

▲The 'Saving Private Ryan' actor had a stutter when he was a young man.

▲The 'Pulp Fiction' star deals with his stutter in an unusual way: by cursing.

▲The retired NBA player stuttered until he was 28. One of the tips he has shared is chewing gum, which helps strengthen the jaw muscle.

▲The influential physicist and mathematician stuttered throughout his life.

▲The Coldplay front man had a stutter when he was growing up, which still surfaces on occasion.

▲The President of the United States struggled with a stutter throughout his life and is open about it. In 2010, he told an audience: "God’s gift to me was my stuttering," adding, "Don’t let your learning disability define you."

▲The singer-songwriter started singing because it allowed her to communicate without stuttering.

▲The 'Mr. Bean' star has said his stutter comes and goes, adding that it completely disappears when he plays a character other than himself.

▲The 'Pulp Fiction' and 'Taxi Driver' actor overcame a severe childhood stutter, but admits it's coming back with age, "maybe because I'm so fatigued," he said.

▲The comedian has fully embraced his stutter. So much so that he is publicly known as "Stuttering John."

▲The 'Twin Peaks' star's childhood stutter was so severe that she had difficulty saying her own name. She got into acting because the stutter disappeared when she was reading lines in a script. "When I got away from myself, I didn’t have that problem," she said.

▲The retired basketball player used the sport to build up his confidence in light of the bullying he suffered as a consequence of his stutter.

▲One of Hollywood's most sought-after voice actors says that he was almost mute as a child because of his severe stutter. Today, he is known for being the voice behind Musafa in 'The Lion King' and Darth Vader from 'Star Wars,' among others.

▲His stutter didn't prevent the 'Lawrence of Arabia' star from winning an Oscar.

▲The retired baseball and American football player has said that saying his own name aloud when he talked about himself helped lessen his stuttering.

▲The 'Jurassic Park' and 'Peaky Blinders' actor has always openly discussed his stutter, as well as that of his daughter's.

▲The 'Buffy the Vampire Slayer' actor credits the exercises he learned in acting class with helping him combat his impediment.

▲The retired basketball player's stutter as a child was so severe he could barely put two words together.

▲Unlike his sister, Eric Roberts has been open about his stutter. The actor stuttered severely as a child, prompting him to memorize lines ahead of time because, that way, he was able to control it.

▲The former American football player credits speech therapy with helping him cope with the impediment.

▲The singer-songwriter and former Bauhaus vocalist still struggles with stuttering. "[Y]ou always have to control it. But it’s very difficult, because once you look at it, it’s there," he has said.

▲The Simple Minds lead singer stuttered as a child and teenager, and has talked about the struggle of "trying to navigate life with a stutter–dealing with ridicule, frustration and embarrassment as a result."

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The screenwriter of 'The King's Speech' drew from his own experience of growing up with a stutter to write his Oscar-winning screenplay.

▲The cartoonist who created 'Garfield' grew up with a stutter and has said he still stutters when he talks about it.

▲The Argentine writer and one of the most influential Latin American authors had a stutter in his early years, which he was able to overcome.

▲The NFL running back has talked candidly about his struggles. He credits recognizing his speech impediment as motivation behind pursuing a career in football.

▲Shaq's biggest fear as a child was his stutter. "I still stutter to this day,” he's said. "But I’m more cool with it now."

▲The King of the Blues stuttered severely as a child, so it was a shock to many that he could sing so beautifully. His local pastor went as far as to say that it was the Holy Ghost who sang so gracefully through the boy.

▲The late 'Lean on Me' singer-songwriter dropped out of school partly because of his stutter. He then joined the Navy, where he rebuilt his self-confidence.

▲The Grammy winner said that he realized he didn't stutter when he sang, so singing became his safe haven.

▲The 'Two and a Half Men' star has stated he developed a stutter following a panic attack he suffered as a child.

▲The actress has talked about her shyness and stutter as a child, which she said she's overcome.

▲The 'Project Runway' star has spoken about his difficulty: "I was a stutterer and faked illnesses to hide away."

▲The comedian and TV host always wanted to be on television despite his stutter, so he did what he could to overcome it. The counterman at his neighborhood deli helped him by rewarding him with candy when he spoke clearly.

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The 'Live and Let Die' actress grew up with a stutter and has overcome it.

▲The pop star has said that the most difficult aspect of having a stutter is knowing what to say but not being able to say it.

▲The Destiny's Child singer grew up with a stutter and battled to overcome it.

▲The blonde bombshell developed her characteristic breathy style of speech to combat her stutter.

▲The Olympic diving champion underwent speech therapy as a child to treat his stutter.

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The late basketball player spoke about being bullied over his size and also his stutter, which he eventually corrected.

▲The famed naturalist was a stutterer, as was his grandfather, Erasmus Darwin, who was the personal physician to King George III of England.

▲The Australian-British singer has said singing helped her control her stuttering.

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Having a successful career in the public eye is a long, arduous road even for the big extroverts out there. But making it big after overcoming a speech impediment requires a special kind of determination.

Browse the gallery and discover what famous faces either struggle with stuttering or have done so in the past.