Yelchin, who most recently wrapped production on 'Star Trek Beyond,' was a beloved actor who also appeared in 'Alpha Dogs' and 'Charlie Bartlett.'
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He also was a very gifted voice actor, lending his pipes to a multitude of animated features, including several films and TV projects surrounding 'The Smurfs' and an upcoming television series, 'Trollhunters.'
At just 27 years old, Yelchin joins a tragic club of leading Hollywood actors who were also taken from their fans at a very young age.
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Most recently, actor Paul Walker was killed in a chilling November 2013 crash in Valencia, Calif., alongside friend Roger Rodas.
Walker, who starred in 'The Fast and the Furious' franchise and 'Varsity Blues,' left an event for his charity, Reach Out Worldwide, in Rodas's red 2005 Porsche Carrera GT.
An investigation revealed the Porsche lost control traveling approximately 90 mph when it smashed into a concrete lamppost and two trees on Hercules Street, near Kelly Johnson Parkway, according to the Associated Press.
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The car burst into flames, and the whole thing played out on the evening news after a security camera captured dramatic footage of the accident.
While mechanical problems were probed in the crash, the Los Angeles County Sheriff's Department and California Highway Patrol determined Rodas was responsible for the unsafe driving that caused the crash.
Various tributes were given for Walker, including a tear-jerking ending set to Wiz Khalifa's song "See You Again" at the end of 'Furious 7.' Walker starred posthumously in three films, including 'Furious 7,' 'Hours,' and 'Brick Mansions.'
Yet younger then both Yelchin and Walker at the time of his death, James Dean is perhaps best remembered for his role as troubled teen Jim Stark in 'Rebel Without a Cause.'
The 24-year-old star was killed in Cholame, Calif., on September 30, 1955, while preparing for a weekend car race in Salinas.
During a drive through Blackwells Corner, Dean was traveling west on what is now State Route 46 when his vehicle collided nearly head on with another vehicle, according to the Los Angeles Times.
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A witness, John Robert White, told police he saw Dean's 1955 Porsche 550 Spyder smash into the ground two or three times before landing in a ditch beside the shoulder of the road.
A nurse who saw the crash stopped and attempted to help the actor, but said she detected a weak pulse.
James Dean suffered a broken neck and severe internal and external injuries, including a mangled left foot which was found by emergency workers to be crushed between the clutch and brake pedal. Dean was pronounced dead on arrival to the hospital.