Veteran actor Ronnie Schell, widely recognized for his portrayal of Duke Slater on the popular 1960s sitcom "Gomer Pyle, U.S.M.C.," has passed away at the age of 94.

Schell died on Friday, June 12, of natural causes at UCLA Medical Center in Los Angeles, as confirmed by his representative to USA TODAY.

This marks the end of a long and varied career in entertainment that spanned decades.

Schell's journey in entertainment began during his senior year at San Francisco State University, where he started as a stand-up comedian.

He honed his craft performing in supper clubs across the country before making his television debut in 1959 on "You Bet Your Life," the quiz show hosted by Groucho Marx.

His most prominent role came in 1964 when he joined the cast of "Gomer Pyle, U.S.M.C." as Marine Pvt.

Duke Slater, the best friend to the show's title character.

Following his time on "Gomer Pyle," Schell continued to be a familiar face on television, starring opposite Goldie Hawn in the 1967 CBS sitcom "Good Morning World." His extensive television credits also included appearances in "That Girl," "General Hospital," "Yes, Dear," and Disney's "Phil of the Future." Beyond television, Schell also featured in more than two dozen films, such as "The Revenge of the Red Baron" and "Fatal Instinct."

In addition to his on-screen work, Ronnie Schell maintained an active career in voice acting.

His voice roles included contributions to "Jetsons: The Movie," "Battle of the Planets," and the 2022 film "Toomie: The Hungry Tumor."

Schell is survived by his wife, Janet; his sons, Gregory and Christian; and his granddaughter, Chiara.