A crime writer searching for the truth about a personal tragedy becomes involved in a murder investigation.
| Actor | Role |
|---|---|
 Narciso Ibáñez MentaFelix Lane | Felix Lane |
 Guillermo BattagliaJorge Rattery | Jorge Rattery |
 Milagros de la VegaMrs. Rattery | Mrs. Rattery |
 Laura HidalgoLinda Lawson | Linda Lawson |
 Nathán PinzónCarpax | Carpax |
 Beba BidartRhoda Carpax | Rhoda Carpax |
 Ernesto BiancoNigel Strangeways | Nigel Strangeways |
 Gloria FerrandizMoor Cabin Woman | Moor Cabin Woman |
| HHumberto BaladoRonnie Hershey | Ronnie Hershey |
 Josefa GoldarVioleta Rattery | Violeta Rattery |
| JJesús PampínInspector Blount | Inspector Blount |
 Amalia BernabéMatilde | Matilde |
 Ricardo ArgemíGeneral Dixon | General Dixon |
 Warly CerianiFilm Set Man | Film Set Man |
| CCarlos CottoLane's Editor | Lane's Editor |
| EEduardo MoyanoMartie Carter | Martie Carter |
| OOsvaldo BruzziNot listed | Not listed |
| ÁÁngel EletaNot listed | Not listed |
| MMarcelo LavalleFilming Assistant (uncredited) | Filming Assistant (uncredited) |
| RRafael SalvatoreMan in Bar (uncredited) | Man in Bar (uncredited) |