Jennifer Holland is an American actress best known for her role as Emilia Harcourt in James Gunn’s HBO television series Peacemaker (2022–2024), where she emerged as a key part of the show’s core ensemble. Her performance helped establish Harcourt as one of the more grounded and serious presences within Gunn’s DC projects, balancing action-driven storytelling with character-focused moments. Holland’s most prominent later work has been tied to DC Comics projects under Gunn, beginning with her de...