Danica McKellar competed on season 18 of Dancing With The Stars and placed sixth. However, she was not paired with Gleb Savchenko, but fellow pro Val Chmerkovskiy. Gleb Savchenko first premiered as a pro on the U.S. version of DWTS in 2013 on season 16, but he didn't return until season 23 in 2016 and has been a member of the pro cast ever since