Content overview: “Carrie Finale: Kate Siegel Reveals Adelaide’s Role and Why She Controls the Story”. The finale of Prime Video’s 2026 series “Carrie” leaves viewers with a burning question: Who is Adelaide, the mysterious character played by Kate Siegel? In a recent interview, Siegel sheds light on her role and its significance to the narrative, rooted in her lifelong connection to Stephen King’s work. She explains that King was her father’s favorite author, and she grew up reading his books, which prepared her for this complex part.
Adelaide, she says, is not just a supporting figure but the key to understanding the series’ themes of trauma, power, and destiny. Siegel emphasizes that her character ‘controls this story’ in ways that may surprise audiences, hinting at a deeper, almost meta-narrative function. The actress’s insights suggest that Adelaide’s presence recontextualizes familiar events from King’s original novel, offering a fresh lens for both new viewers and longtime fans. The full version stays on the original page, which this listing opens directly.