Question: Who were the original pro dancers on dancing with the stars?
Answer: Ashly DelGrosso
Alec Mazo
Louis Van Amstel
Charlotte Jørgensen
Edyta Śliwińska
Jonathan Roberts
Natural Questions answer: Charlotte Jorgensen
Ashly DelGrosso
Louis Van Amstel
Jonathan Roberts
Edyta Sliwinska
Alec Mazo (from the Wikipedia article "Dancing with the Stars (U.S. season 1)")