Cartoonist's count, when shown saving maiden (6)
I believe the answer is:
addams
'cartoonist's' is the definition.
(I have seen 'American cartoonist' mean 'addams' so perhaps 'cartoonist' could also mean 'addams')
'count when shown saving maiden' is the wordplay.
'count' becomes 'add' (adding is a kind of counting).
'when' becomes 'as' (eg 'when I walked' means 'as I walked').
'shown saving' means one lot of letters goes inside another.
'maiden' becomes 'm' (cricket abbreviation).
'as' enclosing 'm' is 'ams'.
'add'+'ams'='ADDAMS'
(Another definition for addams that I've seen is " American cartoonist".)