Sarah is Mrs. Hadley’s nought personal assistant and secretary. She’s blonde and timid, and her expression makes her look permanently surprised. Though she often demonstrates loyalty to Mrs. Hadley (such as by firing Meggie and refusing to let Callum into the Hadley house), Sarah also helps Sephy at times. She delivers an important letter to Callum, and she also helps Sephy hide the fact that Callum spends a night in her bedroom (though she later increases security so Callum can’t get back in).