 Mario LanzaDamon Vincenti | Damon Vincenti |
 Joan FontaineKendall Hale | Kendall Hale |
 Sara MontielJuana Montes | Juana Montes |
 Vincent PriceCharles Winthrop | Charles Winthrop |
 Joseph CalleiaMarcatello | Marcatello |
 Harry BellaverTonio | Tonio |
 Vince EdwardsMarco Roselli | Marco Roselli |
 Silvio MinciottiLardelli | Lardelli |
 Frank PugliaManuel Montes | Manuel Montes |
 Edward PlattEverett Carter | Everett Carter |
| LLicia AlbaneseDesdemona in 'Otello' | Desdemona in 'Otello' |
| JJean FennSoprano in San Francisco | Soprano in San Francisco |
| AAbdullah AbbasAccident Witness (uncredited) | Accident Witness (uncredited) |
| MMartha AckerAmerican Woman (uncredited) | American Woman (uncredited) |
 Stephen BekassyRussell Hanson (uncredited) | Russell Hanson (uncredited) |
| RRichard CableShepherd Boy in 'L'Arlesiana' (uncredited) | Shepherd Boy in 'L'Arlesiana' (uncredited) |
| JJames ConatyOpera Attendee (uncredited) | Opera Attendee (uncredited) |
| JJoe DeAngeloBusboy (uncredited) | Busboy (uncredited) |
| EElizabeth FlournoyElevator Operator (uncredited) | Elevator Operator (uncredited) |
 Bess FlowersOpera Attendee (uncredited) | Opera Attendee (uncredited) |
| WWilliam FoxBusboy (uncredited) | Busboy (uncredited) |
 Martín GarralagaRomero (uncredited) | Romero (uncredited) |
| MMickey GoldenCab Driver (uncredited) | Cab Driver (uncredited) |
| JJose GoveaPaco (uncredited) | Paco (uncredited) |
| DDiane GumpParty Guest (uncredited) | Party Guest (uncredited) |
 Creighton HaleAssistant Stage Manager (uncredited) | Assistant Stage Manager (uncredited) |
| SSam HarrisParty Guest (uncredited) | Party Guest (uncredited) |
| HHelen HawleyAccident Witness (uncredited) | Accident Witness (uncredited) |
 Kenner G. KempOpera Attendee (uncredited) | Opera Attendee (uncredited) |
 Fred KelseyOpera Attendee (uncredited) | Opera Attendee (uncredited) |
