Actually, it was reputedly based loosely on Henry Kissinger, not Teller. After all, Teller was here in the US working on the Manhattan Project during the war, while Henry K. was wearing a grey or black uniform, if memory serves.
BTW, "Strangelove" was filmed in England by Kubrick, who lived most of his life there. Hollywood had very little control over any Kubrick film.
None of which matters an iota in comparison to the fact that Teller is one of the legendary heroes of the 20th century.