Our Man Flint (1966) on Netflix

When the intelligence agencies of the world find that their agents are being murdered at an alarming rate their leaders all write out the qualities an agent will need to succede against the terrible crisis they are facing. Derick Flint is the only agent with all the qualities, but his old boss refuses to work with him until ordered to by the president. Flint is the worlds greatest secret agent, worlds greatest lover, an expert on electronics and Dolphin speech and goes to Moscow for Ballet (To Teach!) When attempts on his life are made, Flint begins to search out the mad scientists who want to remake the world after taking over with the aid of their earthquake machine.