Andrea Beaumont, also known as the Phantasm, is a fictional DC Comics supervillain and antiheroine created by Alan Burnett and Paul Dini, and designed by Bruce Timm. Beaumont first appeared as the main antagonist in the 1993 DC Animated Universe (DCAU) film Batman: Mask of the Phantasm, where she was established as the fiancée of Bruce Wayne/Batman. Dana Delany provided the voice work for Andrea and Stacy Keach provided the electronically modified voice of her "Phantasm" alter ego; Keach also provided the voice of Andrea's father, Carl.

Batman: Mask of the Phantasm is a 1993 American animated romantic superhero film featuring the DC Comics character Batman. It was directed by Eric Radomski and Bruce Timm, and written by Alan Burnett, Paul Dini, Martin Pasko, and Michael Reaves. The film is based on Batman: The Animated Series (1992–1995) and is the first original theatrical film produced by Warner Bros. Animation before eventually establishing the additional Warner Bros. Feature Animation division for theatrical productions afterwards. Kevin Conroy, Mark Hamill, Efrem Zimbalist Jr., Bob Hastings and Robert Costanzo reprise their voice roles from Batman: The Animated Series, joined by Dana Delany, Hart Bochner, Stacy Keach Jr., Abe Vigoda, Dick Miller and John P. Ryan.