Ron Weasley: (Voice: Gregg Chillin) Harry's best friend, usually seen leading Harry to class or to the Quidditch stadium, or in cut scenes.Note: not all characters appear in all versions of the game. Additionally, Gregory Goyle is playable while Harry is under the effects of the Polyjuice Potion.Harry Potter (voiced by Tom Attenborough) is the main character and the only playable one in most versions, though in the GBC, the following are also playable at various points:.5th gen portable console version (GBC) by Griptonite Games.6th gen portable console version (GBA) by Eurocom.5th gen home console version (PS1) by Argonaut.6th gen home console version (Xbox, GameCube) by Eurocom, PS2 by EA UK.Computer version (PC) by KnowWonder, ported to the Mac by Aspyr Media.6 Differences between the book/movie and gameįive different versions of this game were released for different gaming platforms:.