The Labour leader received a surprise celebrity endorsement on Friday after the Hollywood star said he believed Corbyn would make a "great PM".
Corbyn said he was "really pleased" to get the support of DeVito, adding: "I feel a Twins sequel coming on.
The 71-year-old actor, who is endorsing US Democratic presidential hopeful Bernie Sanders, said he was a “big-time” supporter of Corbyn.
DeVito said that Corbyn would do a better job than David Cameron, who has faced intense pressure to detail his financial affairs since the Panama Papers leaks.
DeVito told the Press Association that he "liked the idea of people telling the truth".
He said: “Now we’ve got the Panama thing. What is it? Why doesn’t anybody want to pay taxes and just fix the country and make everybody have a good life? It’s really crazy.
“I think he (Corbyn) would make a great PM. Way better than Cameron.”
The actor added: “Look at your history, for crying out loud,” he said. “A little sketchy guy hanging out with George Bush. What was his name? Blair.”
DeVito's acting career has spanned five decades and he has starred in films including Twins, LA Confidential, One Flew Over The Cuckoo’s Nest and classic TV series Taxi.
'Twins', released in 1988, starred Devito and Arnold Schwarzenegger as long lost brothers who find one another.
A sequel would presumably see Corbyn take over Arni's role.
Or maybe they could just call it 'Triplets'.
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