The difference between a lead actor and a guest actor was their status and role in the drama. The lead actor was the main actor who appeared at the beginning and ran through the entire plot. It could be a popular actor or a newcomer actor. They usually played the core characters of the story and played a vital role in the advancement and development of the plot. A special lead was a role that someone was specially invited to participate in the movie's main cast. It was usually a big-name actor or an actor with explosive points. They might not have a lot of scenes and were purely using their fame to attract the attention of the audience. The guest lead might also be a semi-guest star with fewer scenes. In general, the leading actor was the main character of the entire film, while the special actor was an actor specially invited to increase the popularity of the film or attract the audience.
All the actors of the 72 tenants included Feng Gangyi, Tan Weiji, Xiao Xueyuan, Lin Tao, Chen Shikai, Lin Yiqi, Zeng Weifeng, Zhu Yougao, Lu Dawei, He Shouxin, Cheng Gang, etc. No specific information about the guest actors was provided.