Once Before I Die is a 1966 war drama starring Ursula Andress and directed by then-husband John Derek, from whom she was officially divorced before the film was released, and who also appeared in the film. It was based on a 1945 novel Quit for the Next by Lieutenant Anthony March.

Ursula Andress is a Swiss actress and former model who has appeared in American, British and Italian films. Her breakthrough role was as Bond girl Honey Ryder in the first James Bond film, Dr. No (1962). She later starred as Vesper Lynd in the 1967 Bond parody Casino Royale. Other credits include Fun in Acapulco (1963), 4 for Texas (1963), She (1965), The 10th Victim (1965), The Blue Max (1966), The Southern Star (1969), Perfect Friday (1970), Red Sun (1971), The Sensuous Nurse (1975), Slave of the Cannibal God (1978), The Fifth Musketeer (1979), Clash of the Titans (1981), and Peter the Great (1986).