[1][2] In 1987 Lisa Schoeneberg invited Casper to join her team just two weeks before the tournament to determine Wisconsin's representative to the United States' first Olympic Curling Trials, replacing a teammate with a burst appendix.

Casper joined as the team's second, with Lori Mountford at lead, Erika Brown at third, and Schoeneberg as skip.

[6] The team won the tournament, earning a spot at the Olympic Trials in Saint Paul, Minnesota.

[7] At the Olympic Games, where curling was a demonstration event, they finished fifth out of eight teams, with a 4–4 record.

As skip of her own team Casper won the Wisconsin State Championship four years in a row, 1987–1990.