No other details of his death have been released.
Wallach’s career was largely on the big screen in more than 90 films including: The Magnificent Seven, The Good, the Bad and the Ugly, The Misfits, How to Steal a Million, How the West Was Won, Cinderella Liberty, Baby Doll, False Witness, The Sentinel, The Godfather: Part III, Wall Street: Money Never Sleeps, The Ghost Writer.
But he also had many television credits.
He won an Emmy for his role in Poppies Are Also Flowers, a 1966 anti-narcotics telefilm produced by the United Nations from a story by Ian Fleming. He also earned nominations for his work as a blacklisted writer on Studio 60 on the Sunset Strip in 2006 and as an ailing patient on Nurse Jackie three years later.
He was the third actor to play Mr. Freeze on Batman in the 1960s. Other TV credits included LA Law, Whoopi, Law & Order, Alfred Hitchcock Presents, Murder She Wrote, Highway to Heaven, Our Family Honor, Tales of the Unexpected, Kojak and Naked City.
Wallach won a Tony Award in 1951 for playing Alvaro in Tennessee Williams’ original production of The Rose Tattoo.
Source: Hollywood Reporter