A secondary character and narrator, an Atemporal being with psychic abilities who assists Holly and has lived many lifetimes in different bodies, playing a key role in the larger conflict between Horologists and Anchorites.

An antagonist and narrator, depicted as a morally ambivalent Cambridge student whose actions and decisions are influenced by his ambitious and opportunistic nature.

A narrator and Holly's primary romantic interest, introduced as a supportive friend during her rebellious youth and later depicted as a war correspondent struggling to balance his professional aspirations with family life.

A secondary character and narrator, a fiction writer whose declining career trajectory is complicated by his arrogance and rivalry with a critic, eventually forming a significant friendship with Holly.