Part time and full time CMs get the same benefits:
-free admission to the parks
-50% off admission to water parks and disney quest
-food and merchendise discounts
-free park passes for guests
-free admission to special events (flower & garden festival, food & wine festival, cast christmas party) for guests which does not count against the number of free guest admissions
-discounts on other Disney entertainment
-cast exclusive recreation area
-lifetime pass after retirement
And, as Marcia mentioned, there are other more serious benefits too.
