Which British-American musical screwball comedy horror film did Susan Margaret makes costume design for 
Sue Blane: Susan Margaret "Sue" Blane MBE is best known for her costume designs for both "The Rocky Horror Show" and "The Rocky Horror Picture Show". The Rocky Horror Picture Show: The Rocky Horror Picture Show is a 1975 British-American musical screwball comedy horror film by 20th Century Fox produced by Lou Adler and Michael White and directed by Jim Sharman.
The Rocky Horror Picture