ORLANDO, Fla. – Walt Disney World cast members will play the role of guests this week as they test Disney’s safety changes before its theme parks begin to reopen to guests amid the coronavirus pandemic.The company is holding cast member preview days on Tuesday and Wednesday at Magic Kingdom and Animal Kingdom.On Thursday and Friday, annual passholders will get the chance to visit the parks before they open to the regular park on Saturday.[RELATED: Disney World to reopen as coronavirus cases soar in Florida]Disney’s Hollywood Studios and Epcot are set to reopen July 15.The parks were closed in mid-March as coronavirus cases increased in Florida.Gov.