Silencers, The (1966) - This Is Mrs. Helm

Now in Phoenix, coaxed from retirement to investigate a scheme to sabotage a nuclear test, secret agent Matt Helm (Dean Martin, in his debut in the spy-comedy series) meets Stella Stevens as clumsy and under-clothed Gail, his colleague Tina (Daliah Lavi) soon arriving, Robert Webber on the poolside keyboard, in The Silencers, 1966.