 An MGM spokesman said the two actors "got carried away" and Welch "got slugged".Welch later said she also bruised her knees, got a spasm in her trapezius, had some hematomas on her head, and suffered several headaches.The film used real-life stars of the National Skating Derby, Roller Games, as uncredited extras, such as Patti Cavin ('Big Bertha' Bogliani), Judy Arnold, Ralph Valladares, Ronnie Rains, Judy Sowinski, Richard Brown, Tonette Kadrmas and John Hall.