Go in prepared with a variety of questions; ask them about long term and short term plans. Research the position (look at other theme parks), and base your questions and answers off of the position description. Also, know be familiar with the mission and history of the company. Be very positive about your future with the company. Very hard to get an interview for a permanent year-round position, so make sure resume is stellar. Can be stressful when the tourist season is in full swing, but well worth it for the benefits.