Mary Hackett "Topo" Swope (born February 14, 1949) is an American actress and talent agent.
She is the daughter of actress Dorothy McGuire and still photographer John Swope.
She had a supporting role in the Peter Yates film The Hot Rock (1972) in which she appeared with Robert Redford and George Segal.
Following her film career, Swope opened an art gallery in Los Angeles.
In September 1981 she mounted the first-ever exhibition of paintings by Henry Fonda, an old family friend.