Marian McCargo has been associated with several films throughout her career, but her highest-rated work remains The Undefeated (1969), which continues to receive praise from audiences and critics alike. On the other hand, one of her earlier projects, Dead Heat on a Merry-Go-Round (1966), is often regarded as her lowest-rated film. While opinions may vary, these two titles stand out when looking at Marian McCargo’s filmography in terms of public reception and critical acclaim.