CMD:actorinfo(playerid, params[])
{
    new string[600], Name[24];
    string = "";
    new Cache:result = mysql_query(MySQL, "select `aName` from `actors` where");
    new actors = cache_num_rows(MySQL);
    if(actors == 0) return SendClientMessage(playerid, -1, "Нет актеров!");
    for(new i; i < actors; i ++)
    {
        cache_get_value_index_int(i, 0, Name, MySQL);
        format(string, sizeof(string), "%sName: %s  ID: %d\n", string, Name, i);
    }
    cache_delete(result);
    ShowPlayerDialog(playerid, 0, 0, "Все актеры на сервере", string, "Ок", "");
    return true;
}

new actors = cache_num_rows(MySQL); // 1 строка
cache_get_value_index_int(i, 0, Name, MySQL); // 2 строка