| Passenger description | Passenger |
| Belgian detective | |
| American gangster; murder victim | |
| Elderly American woman | |
| British valet to the deceased | |
| Italian businessman | |
| American secretary to the deceased | |
| German lady's-maid | |
| Swedish missionary | |
| British governess | |
| | Passenger description | Passenger |
| Hungarian countess | |
| Hungarian count | |
| Russian noblewoman | |
| British military officer | |
| American private investigator | |
| French Wagon-Lit conductor | |
| Director, Compagnie des Wagons-Lits | |
| Greek doctor | |
|