Webon june 3, 2011, at the age of 88, arness died of natural causes in his brentwood home in los angeles, california. Webaccording to reuters, arness died on june 3, 2011, of natural causes at the age of 88 in los angeles, california. Webapr 26, 2022 · james arness had a net worth of $27. 95 million at the time of his death, he was an american actor best known for portraying marshal matt dillon for 20 years in the.

His business manager, ginny fazer, said he was in relatively.