actor        character     title / rank              series                             years
0    david suchet   hercule poirot          various              1 - 13                       1989 - 2013
1     hugh fraser  arthur hastings      captain obe          1 - 8 , 13                1989 - 2002 , 2013
2  philip jackson       james japp  chief inspector          1 - 8 , 13                1989 - 2001 , 2013
3   pauline moran   felicity lemon        secretary  1 - 3 , 5 - 8 , 13  1989 - 1991 , 1993 - 2001 , 2013
4   zoë wanamaker   ariadne oliver   crime novelist             10 - 13                       2006 - 2013
5   david yelland           george           butler             10 - 13                       2006 - 2013

Table as JSON:
{"actor":{"0":"david suchet","1":"hugh fraser","2":"philip jackson","3":"pauline moran","4":"zoë wanamaker","5":"david yelland"},"character":{"0":"hercule poirot","1":"arthur hastings","2":"james japp","3":"felicity lemon","4":"ariadne oliver","5":"george"},"title \/ rank":{"0":"various","1":"captain obe","2":"chief inspector","3":"secretary","4":"crime novelist","5":"butler"},"series":{"0":"1 - 13","1":"1 - 8 , 13","2":"1 - 8 , 13","3":"1 - 3 , 5 - 8 , 13","4":"10 - 13","5":"10 - 13"},"years":{"0":"1989 - 2013","1":"1989 - 2002 , 2013","2":"1989 - 2001 , 2013","3":"1989 - 1991 , 1993 - 2001 , 2013","4":"2006 - 2013","5":"2006 - 2013"}}