Both men finished third in their respective heats.
Crisp came in behind Matthew Cowdrey of Australia and Austrian Andreas Onea, in a time of 1:15.84.
Hynd swam 1:16.80 in the final heat, just behind Krzystof Paterka and fastest qualifier Andriy Kalyna of Ukraine, who swam 1:08.27.
The Ukrainian is the reigning champion and current world record holder.
The final takes place at 6.22pm tonight.