| Un extraño en la escalera | |
| Director: | Tulio Demicheli |
| Producer: | Gregorio Walerstein |
| Starring: | Arturo de Córdova |
| Cinematography: | Jack Draper |
| Editing: | Rafael Ceballos |
| Runtime: | 95 minutes |
| Country: | Mexico |
| Language: | Spanish |
Un extraño en la escalera ("A Stranger on the Stairs") is a 1955 Mexican drama film directed by Tulio Demicheli. It was entered into the 1955 Cannes Film Festival.[1]