Val Kilmer, a homegrown Hollywood actor who tasted leading-man stardom as Jim Morrison and Batman, but whose protean gifts and elusive personality also made him a high-profile supporting player, died on Tuesday in Los Angeles. He was 65.

The cause was pneumonia, said his daughter, Mercedes Kilmer. Mr. Kilmer was diagnosed with throat cancer in 2014 but later recovered, she said.

Tall and handsome in a rock-star sort of way, Mr. Kilmer was in fact cast as a rocker a handful of times early in his career, when he seemed destined for blockbuster success. He made his feature debut in the slapstick Cold War spy-movie spoof “Top Secret!” (1984), in which he starred as a crowd-pleasing, hip-shaking American singer in Berlin unwittingly involved in an East German plot to reunify the country.

He gave a vividly stylized performance as Jim Morrison, the emblem of psychedelic sensuality, in Oliver Stone’s “The Doors” (1991), and he played the cameo role of Mentor — an advice-giving Elvis as imagined by the film’s antiheroic protagonist, played by Christian Slater — in “True Romance” (1993), a violent drug-chase caper written by Quentin Tarantino and directed by Tony Scott.

Val Kilmer as the rock singer Jim Morrison in the 1991 film “The Doors.”Credit…Sidney Baldwin/TriStar Pictures

Mr. Kilmer had top billing (ahead of Sam Shepard) in “Thunderheart” (1992), in which he played an unseasoned F.B.I. agent investigating a murder on a South Dakota Indian reservation, and in “The Saint” (1997), a thriller about a debonair, resourceful thief playing cat-and-mouse with the Russian mob. Most famously, perhaps, between Michael Keaton and George Clooney he inhabited the title role (and the batsuit) in “Batman Forever” (1995), doing battle in Gotham City with Two-Face (Tommy Lee Jones) and the Riddler (Jim Carrey), though neither Mr. Kilmer nor the film were viewed as stellar representatives of the Batman franchise.

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