The former California governor is endorsing John Kasisch.
Arnold Schwarzenegger walked out of an interview with an Australian TV channel when he was asked about Donald Trump.
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“This is an interview that I only do about fitness and health, not about politics or my relationships," he said before leaving.
The 68-year-old actor and former California governor, who is in Australia to promote a series of fitness events, is taking over from Trump as host of Celebrity Apprentice and endorsed Ohio Governor John Kasich earlier this month.
But former Happy Days and Charles in Charge star Scott Baio announced his support for Trump this weekend during an appearance on FOX News.
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He said that Trump speaks “like I speak” and “I want him, as any one person can do, to go into Washington and blow it up.”
He added: “They're going to attack whomever the Republican nominee is. We need somebody to relentlessly, relentlessly attack Hillary [Clinton]. It's the only way we're going to win. I'm trying to be a classy guy, but to win elections nowadays, the Democrats and liberals attack viciously.”
Watch: Hillary Clinton Barks Like a Dog in Donald Trump's New Ad
