The unsolved mysteries case where a girl that appeared in the movie "Spring Break" disappeared after returning home from making the movie? If so can you let me know here name and the specifics of the case?

Her name was Tammy Leppert. She has never been found. Here is a related thread about the case:

http://www.sitcomsonline.com/boards/showthread.php?t=144362&highlight=tammy+leppert

Thanks, will read up on it. Sad story