Returning seasonal workers are employees who have worked for a company in the past and are interested in returning to work for the company again. These workers may be interested in working for the company again because they enjoyed their previous experience, or because they are familiar with the company and the job. Returning seasonal workers can be a great asset to a company. They are a known quantity in terms of reliability and quality of work, and the company doesn't have to spend time and money on recruitment and training.