The main cast members were paid under the table in cash by producer Michael Thevis, the primary incentive for such high-profile celebrities to appear in a low-budget exploitation film.
The opening scene with Leslie Uggams singing "The Star-Spangled Banner" was shot at Atlanta Stadium in Atlanta, Georgia on November 4, 1973 before a football game between the Atlanta Falcons and the Los Angeles Rams.
Loosely based on Jean Genet's play "The Balcony" - the first film version of which also starred Shelley Winters in 1963.
Bertha's Oasis was really Charlie Williams' Pinecrest Lodge in Athens, Georgia.