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Anthony Hopkins comes into the role of Westworld's Dr. Robert Ford after spending more than 50 years in Hollywood. The The Silence of the Lambs actor, who has Golden Globe nominations and an Oscar to his name, got his start in the '60s, appearing in episodes of TV shows before landing his breakout role in 1968's The Lion in Winter (pictured above).
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Ed Harris joins Westworld as the Man in Black. Pictured above in 1980's Borderline, Harris kicked off his acting career in the late '70s, earning credits for episodes of The Rockford Files and The Seekers.
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Evan Rachel Wood
Evan Rachel Wood plays Dolores Abernathy in Westworld, returning to the small screen after turns in True Blood and Doll & Em. Wood's first on-screen roles came in the '90s, with gigs in Digging to China, Practical Magic, and Profiler (pictured above).
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Appearing in Westworld as Teddy, James Marsden picked up his first acting roles on the small screen. His earliest credits came in the '90s, thanks to episodes of The Nanny, Saved by the Bell: The New Class, and Blossom (pictured above).
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Thandie Newton joins Westworld as Maeve Millay. The Pursuit of Happyness star made her on-screen debut in 1991, starring alongside Nicole Kidman and Noah Taylor in Flirting (pictured above).
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Jeffrey Wright signed on to play Westworld's Bernard Lowe. Pictured above in 1993, Wright picked up his first gigs in the '90s, earning credits for Presumed Innocent, Faithful, Basquiat, and Critical Care.
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More than 15 years after making his on-screen debut in 2000's Loser, Jimmi Simpson joined the star-studded ensemble cast of Westworld. The actor's other early roles include 2000s turns in Rose Red and 24.
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Rodrigo Santoro becomes Hector Escaton in Westworld. He spent more than 20 years building up his résumé before joining the HBO show, earning early credits for Portuguese shows.
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Shannon Woodward took on the role of Elsie Hughes in Westworld. Pictured above in Malcolm in the Middle, Woodward landed her first roles in the '90s, appearing in episodes of Clarissa Explains It All.
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Ingrid Bolso Berdal
After making her debut in the 2000s, Ingrid Bolsø Berdal plays Armistice in Westworld. Pictured above in 2012, Berdal picked up early work in Norwegian films.
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Westworld found its Logan in Ben Barnes. Pictured above in 2008's Chronicles of Narnia: Prince Caspian, Barnes got his first on-screen role two years prior, appearing in an episode of Doctors.
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Angela Sarafyan joins Westworld as Clementine Pennyfeather, a role she's taking on with about 15 years in the industry to her name. The actress earned her first credits in the early 2000s, appearing in episodes of Judging Amy, Buffy the Vampire Slayer, and The Shield.
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Sidse Babett Knudsen
Sidse Babett Knudsen appears as Theresa Cullen in Westworld. Pictured above in With Your Permission, the actress picked up her early work in Danish TV shows and films.