| Mario Casacci | |
| Birth Date: | 1925 8, df=y |
| Birth Place: | Pontedera |
| Death Place: | Rome |
| Occupation: | Screenwriter |
| Known For: | Ritorna il tenente Sheridan |
Mario Casacci (12 August 1925, in Pontedera – 8 July 1995, in Rome) was an Italian screenwriter. He is best known as the co-creator of the character of Lieutenant Sheridan, who was played on the small screen by the actor Ubaldo Lay. Casacci's co-creator was his colleague Alberto Ciambricco[1] In 1959, he also co-created, again with Ciambricco, the television program Giallo club.[2] [3] [4]