Gayson had initially been cast in Dr. No as Miss Moneypenny, the secretary of Bond's boss, who often flirted with Bond, while the actress who played Moneypenny, Lois Maxwell, had been cast as Sylvia Trench.
Gayson awalnya pernah berperan dalam Dr. No sebagai Miss Moneypenny, sekretaris bos Bond, yang sering bermain mata dengan Bond, sementara aktris yang memerankan Moneypenny, Lois Maxwell, telah terpilih sebagai Trench.