Changes

|Fred Ziffel

|Fred Ziffel

|Seasons 1–6

|Seasons 1–6

|Local farmer and owner of a pig named Arnold, which he treats as if he were his "son"

|Local farmer and owner of a pig named Arnold, which he treats as if he were his "son"; first appeared as a character on ''Petticoat Junction'' in 1963

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|Barbara Pepper

|Barbara Pepper

|rowspan="2" |Doris Ziffel

|rowspan="2" |Doris Ziffel

|Seasons 1–3

|Seasons 1–3

|rowspan="2" |Wife of Fred Ziffel<br>Ryan was cast in Season Five after Pepper left following Season Three due to heart trouble

|rowspan="2" |Wife of Fred Ziffel<br>Ryan was cast in Season Five after Pepper left following Season Three due to heart trouble; first appeared as a character on ''Petticoat Junction'' in 1964 under a different name, Ruth Ziffel

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|Fran Ryan

|Fran Ryan