Brother Pío, intending to collect charity for a group of nuns who run an orphanage, travels to Madrid with a statue of the Baby Jesus. On the train ride there, he meets Lucio, a slick-talking small-time thief, who steals the statue from him in order to collect the donations for himself.
| Actor | Role |
|---|---|
 Tony LeblancLucio García González / Falso Hermano Antón | Lucio García González / Falso Hermano Antón |
 José IsbertHermano Pío | Hermano Pío |
| MMontserrat SalvadorMari | Mari |
 Tony SolerRemedios | Remedios |
 Gracita MoralesGracita | Gracita |
 José CalvoEl pecas | El pecas |
| JJosé MoralesAntolín | Antolín |
 Pedro PorcelSeñor Rivera | Señor Rivera |
 Ana María CustodioDoña Lola | Doña Lola |
| AAddy VenturaNot listed | Not listed |
| LLidia San ClementeSole (as Lidia Sanclemente) | Sole (as Lidia Sanclemente) |
 Manuel ArbóNot listed | Not listed |
 Francisco BernalNot listed | Not listed |
| CCarmen IgnarraNot listed | Not listed |
 Josefina SerratosaDoña Antonia | Doña Antonia |
 Maite Blasco(as Mayte Blasco) | (as Mayte Blasco) |
 Fernando ReySeñor Aguilar | Señor Aguilar |
 Alfredo MayoCasinos | Casinos |