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When it came time to fight the involuntary manslaughter charge in the fatal "Rust" shooting, Alec Baldwin entrusted his freedom to a 41-year-old man with a roster of Hollywood clients: Alex Spiro.

Spiro, a Harvard Law School graduate who was recently named as one of The Hollywood Reporter's Top 100 Attorneys, knows about litigating high-profile cases as a partner at the high-end Quinn Emanuel firm in New York.

He became a talking point among social media sleuths for his fiery way with words in the courtroom and 6'4" frame, but behind the man who was intent on keeping Baldwin out of prison is an already stacked list of court wins for A-list stars.

JUDGE DISMISSES ALEC BALDWIN'S INVOLUNTARY MANSLAUGHTER CASE IN STUNNING VICTORY FOR ACTOR

Lawyer Alex Spiro wears a grey suit in New York

Alex Spiro helped Alec Baldwin secure a legal victory in his involuntary manslaughter case. (Getty Images)

Spiro's represented Elon Musk a handful of times, including with his 2022 bid to end a $44 billion deal to buy Twitter amid whistleblower claims about security issues. Later that year, Spiro was appointed to oversee Twitter's legal, marketing and trust and safety teams.

He defended Musk once again in 2023 in a securities fraud trial where Elon was found not liable for misleading investors who claimed that a 2018 tweet referencing "funding secured" was not related to his Tesla company.

Spiro initially fought for Musk in a 2019 defamation case filed by Vernon Unsworth related to the Tham Luang cave rescue. At the time, Musk had called Unsworth "sus" (suspicious) and a "pedo guy" on the social media platform. The lawsuit marked one of the first defamation suits brought by a private individual over a tweet to go to trial.

WATCH: Stephen Baldwin reacts to brother Alec's case being dismissed 

Alex was requested by Jay-Z and his Roc Nation banner to help rapper 21 Savage (full name She'yaa Bin Abraham-Joseph), who had been arrested in Atlanta during a targeted immigration operation in 2019. Immigration and Customs Enforcement (ICE) officials claimed that Savage, a British citizen, had overstayed his visa in addition to having a felony conviction on his record.

FATAL TIMELINE IN ALEC BALDWIN ‘RUST’ SHOOTING THAT LED TO ACTORS INVOLUNTARY MANSLAUGHTER CHARGE

ICE claimed he had entered the country legally as a minor, but failed to update his visa, a point his legal team successfully argued when Savage was released on bond nearly one week after his arrest.

Lawyer Alex Spiro wears grey suit in court.

Spiro has defended some of the biggest A-list stars. (Getty Images)

Spiro also represented Jay-Z in a $67 million breach-of-contract lawsuit with a fragrance company. While the rapper countersued (and won) after a three-week trial, an appeals court later decided that Jay-Z was also owed $4.5 million in royalties the company had yet to pay him.

He was also part of the legal team that helped defend New England Patriots owner Robert Kraft against solicitation charges in 2019.

Megan Thee Stallion trusted Spiro for representation when rapper Tory Lanez was charged with shooting her in the foot following a party at Kylie Jenner's home. A jury found Lanez, whose full name is Daystar Peterson, guilty of three felony charges, including assault with a semiautomatic firearm, having a loaded, unregistered firearm in a vehicle and discharging a firearm with gross negligence.

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Spiro and Luke Nikas fought for Baldwin throughout the case and earned an early legal win the day before a jury was selected for trial when Judge Mary Marlowe Sommer ruled that prosecutors couldn't introduce evidence of his status as a producer on the film "Rust."

Alex Spiro sports a yellow tie during Rust trial.

Alex Spiro worked with Megan Thee Stallion, Jay-Z and Elon Musk. (Getty Images)

Sommer granted the defense's request to bar the state from introducing testimony about how Baldwin's role as a producer of the Western film "Rust" allegedly allowed him to act recklessly and flout gun safety protocols.

Prosecutors had argued that as producer of the film and the most experienced member of the cast, he was ultimately responsible for reckless behavior on the set.

PHOTO GALLERY: Alec Baldwin leaves court after involuntary manslaughter trial dismissed 

While important, the win was just a drop in the bucket, compared to the victory earned Friday, July 12, when Sommer dismissed the case with prejudice after ruling that the prosecution had concealed evidence from Baldwin's legal team.

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"The state's willful withholding of this information was intentional and deliberate," Sommer said. "If this conduct does not rise to the level of bad faith, it certainly comes so near to bad faith as to show signs of scorching prejudice."

Actor Alec Baldwin reacts during his trial for involuntary manslaughter

Alec Baldwin cried in court after his involuntary manslaughter charge was dismissed.  (Ramsay de Give/Pool Photo via AP)

The judge added, "There is no way for the court to right this wrong."

Sommer sent the jury home in order to continue the special motions hearing concerning live rounds that had been handed over to law enforcement after the conclusion of "Rust" armorer Hannah Gutierrez Reed's trial.

Baldwin's lawyers claimed that the prosecution had concealed the live rounds from the defense by labeling the evidence under a different case number. Spiro also noted that the rounds had ot been sent to the FBI for analysis despite possibly matching rounds in prop distributor Seth Kenney's possession.

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