本片根据老舍先生的同名话剧改编。解放前，北京龙须沟是条臭水沟，沟旁住满了各式各样卖力气、耍手艺的下层劳动人民。这些居民经常遭受国民党、恶霸、流氓的迫害和恶劣环境的威胁，生活凄惨。
Yu Shizhi
Sai-Qing Cheng
Zhongyin Ye
Ding Si's wife
Zhang Fa
Si Ding
Yu Lan
Cheng's wife
Zheng Rong
Oldman Zhao
Li Ping
Aunt Wang
Shiwen Chen
Niu-Zi Xiao
Niu Ben
Ga-Zi Er
Kuan Shi
District chief
Tang Li
Judge Pai
Jie Liu
Chun Er
Huang Suying
Aunt Meng
Huailin Liu
Xuan-De Dan
Xin Liang
Shop boss
