Actor Antonio Sabato Jr. gave a fiery speech at the opening night of the Republican National Convention in Cleveland Monday, but it's an interview he did afterward that's raising some eyebrows.

Chatting with ABC News after his speech, the General Hospital and Dancing with the Stars alum said he "absolutely" believes President Obama is a Muslim and accused him of having an "agenda."

"I don't believe the guy is a Christian. I don't believe he follows the God that I love and the Jesus that I love," he said. "If you understand about Obama, I mean, that's not a Christian name, is it?"

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Despite the fact that Obama and his family have been photographed attending church services, Sabato added: "I have met a lot of Christians, know a lot of Christians. I am one, and I don't believe he is. I believe that he's on the other side. The Middle East. He's with the bad guys. He's with them. He's not with us."

Antonio Sabato Jr.Antonio Sabato Jr.

When pressed, Sabato said: "We had a Muslim president for seven and a half years," and clarified that he "absolutely" believes President Obama is a follower of Islam.

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Donald Trump, whom Sabato endorses, spearheaded the "birther" movement shortly after Obama's first election in 2008, accusing the president of hiding being foreign-born and what he believes is his true Muslim heritage.

Watch Sabato's interview in the video above.