Tommy and Tuppence Tommy and Tuppence Tommy and Tuppence are two fictional detectives, recurring characters in the work of Agatha Christie. Their full names are Thomas Beresford and his wife Prudence (née Cowley). The first time Tommy and Tuppence appeared in a Christie novel was in "The Secret Adversary" (1922). They started out their career in a search of adventure and money, and the detecting life soon proved profitable and very exciting. Tommy and Tuppence appear together in four full-length novels and one collection of short stories The collection of short stories is "Partners in Crime", (1929, each story referencing another writer's work);
Partners in Crime (short story collection) and Tommy will go the ball in costume to investigate. They will act as the detectives Tommy McCarty and Dennis Riordan. At the Ace of Spades, the Beresfords sit in a private booth and peer through the door at the various other costumed and masked patrons. The booth next door is soon taken by a woman dressed as Alice's Queen of Hearts and a man outfitted as the gentleman dressed in newspaper. After a while, they hear a cry from the woman followed by the man laughing and then see him leaving. After a few minutes, suspicious, Tuppence makes Tommy