June Chadwick (born 30 November 1951, Warwickshire) is an English film and television actress. Her best-known television roles are as Lydia in the science fiction TV series V: The Series, and as Lt. Joanna Parisi on the third season of the series Riptide.
Her best-known film credit is as Jeanine Pettibone in This Is Spinal Tap (1984). Other film work includes parts in The Golden Lady (1979), Forbidden World (1982), Jumpin' Jack Flash (film) (1986), The Evil Below (1989) and Facing the Enemy (2001). Chadwick made TV guest appearances on Magnum, P.I., The A-Team, and Matlock, and played Dr. Alice Davis on the short-lived television series, Going to Extremes. She also provided the voice of Dr. Sheila Thatcher in the video game Star Trek: Away Team.