this code work until ‘éèàïù….’ char are inside the KODI Label 
Code:
json_result = xbmc.executeJSONRPC('{ "jsonrpc": "2.0", "method" : "VideoLibrary.GetMovies", "params": {"filter":{"actor":"%s"},"properties":["thumbnail","year","file","art","imdbnumber","cast"]}, "id":1 }' %(xbmc.getInfoLabel("ListItem.Label")) )under web browser work nice :
Quote:http://127.0.0.1:8080/jsonrpc?request={“jsonrpc”:”2.0″,”method”:”VideoLibrary.GetMovies”,”params”:{“filter”:{“actor”:”Laurence Arné“},”properties”:[“thumbnail”,”year”,”file”,”cast”]},”id”:”1″}
but not inside my python code with xbmc.executeJSONRPC…
utf, utf8, ascii , encode, decode…all tested….it’s a nightmare with python !
May be someone know how to get the actor id and not the name ? it would be a solution for me…..
Someone can HELP ME ?