Heres the Cast list Sorry that I didn't put it up first!!

Pokemon: Zelgadis Strikes Back Cast.

Ash: Gourry
Misty: Lina
Brock: Martina
Mewtwo: Zelgadis
Mew: Dynast
Giovanni: Rezo
Nurse Joy: Sylphiel
Officer Jenny: Amelia
Harbor Master: Dolphin
Jessie: Fillia
James: Xelloss
Meowth: Miwan
Scientist: Diol