https://m.media-amazon.com/images/M/MV5BOTg4ODE5NTAtNDlhYi00NTEwLWI3ZDAtOTk4ZDEyNWU5MTUwXkEyXkFqcGdeQXVyNjExODE1MDc@._V1_UY268_CR23,0,182,268_AL_.jpg

Lois, Dot, Vicki, Cassie and Jan (Season 1)

https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQjx6uSgun3KTUxOMOIaOj64gYhlSk5c-YDOhc-sk2WSXiDiYnR

Maggie, Dot, Cassie and Jan (Season 2)

https://static.episodate.com/images/tv-show/full/36.jpg

Cassie, Dot, Amy and Jan (Season 3)

https://4.bp.blogspot.com/-glWT472HKQQ/Woh4w_J2uQI/AAAAAAAAEOU/eQTNTvzTJyAdBAdQwliQ2RUt9Ax8dEEqQCK4BGAYYCw/s640/itsaliving6.jpg

Jan, Dot, Amy and Ginger (Seasons 4-6)

The Very First Season: It has Ann Jillian & Susan Sullivan in it