Ricardo Montalban never was a US citizen.
From his Wiki page:
Although he spent most of his life in the United States, he remained a citizen of Mexico and never applied for American citizenship
I won’t disagree with you, the page I accessed listed Republican Latinos and he was on it.
Also
https://www.youtube.com/watch?v=cYc7EwpvEF4 - View by Ixquick Proxy
- Highlight
Aug 16, 2006 ... Public Service Announcement from Ricardo Montalban celebrating his American citizenship in honor of the 200th anniversary of the Statue of ...