Anne Ditchburn (born October 4, 1949) is a Canadian ballet dancer, choreographer, and film actress, headlining films like 1979's Slow Dancing in the Big City as a dancer with a crippling disease, a film directed by Rocky director John G. Avildsen and co-starring Paul Sorvino . She also played the doomed ballet dancer Laurian Summers in the 1983 cult horror film Curtains with John Vernon and Samantha Eggar. She danced in nearly all of her film credits, and earned a Golden Globe nomination for her work in Slow Dancing in the Big City. In her time with the National she choreographed some of its most disguished pieces of the 1970s, including Mad Shadows and Kisses, while also heading side company Ballet Revue.