character              actor        years       series  episode count
0     dr nikki alexander         emilia fox       2004 -        8.5 -             86
1        dr jack hodgson        david caves       2013 -       16.1 -             10
2    dr clarissa mullery           liz carr       2013 -       16.1 -             10
3  dr thomas chamberlain    richard lintern       2014 -        17. -              0
4     professor sam ryan      amanda burton  1996 - 2004    1.1 - 8.2             54
5   professor leo dalton   william gaminara  2002 - 2013  6.1 - 16.10            106
6    dr harry cunningham           tom ward  2002 - 2012  6.1 - 15.10             96
7      dr trevor stewart  william armstrong  1996 - 1998    1.1 - 3.8             24

Table as JSON:
{"character":{"0":"dr nikki alexander","1":"dr jack hodgson","2":"dr clarissa mullery","3":"dr thomas chamberlain","4":"professor sam ryan","5":"professor leo dalton","6":"dr harry cunningham","7":"dr trevor stewart"},"actor":{"0":"emilia fox","1":"david caves","2":"liz carr","3":"richard lintern","4":"amanda burton","5":"william gaminara","6":"tom ward","7":"william armstrong"},"years":{"0":"2004 -","1":"2013 -","2":"2013 -","3":"2014 -","4":"1996 - 2004","5":"2002 - 2013","6":"2002 - 2012","7":"1996 - 1998"},"series":{"0":"8.5 -","1":"16.1 -","2":"16.1 -","3":"17. -","4":"1.1 - 8.2","5":"6.1 - 16.10","6":"6.1 - 15.10","7":"1.1 - 3.8"},"episode count":{"0":86,"1":10,"2":10,"3":0,"4":54,"5":106,"6":96,"7":24}}