Cast members deal with tens of thousands of people of many differing backgrounds every day. Some of these people can be very hostile, though cast members try to treat everyone with respect. The frustration can be very intense. The pay is not very good, but the hours often demanded can make it tough to spend time with family, friends, and schoolwork. There's another potential problem.
Many people go to work there as a college job and never get out.
Young women often become single mothers and stay there because of the health coverage. Some people try to work as many hours as possible to make ends meet, and thereby don't spend enough time developing skills and looking for work in their intended careers. They end up never leaving. But, if you're looking for temporary part-time work, it can be fun, rewarding, and educational. Although the books are not flawlessly accurate nor necessarily well-rounded, Mouse Tales and More Mouse Tales by David Koenig can give you more information about the culture and the kind of experiences you may face as a Disneyland cast member.