| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alberto De Rossi | Crew | Costume & Make-Up | Makeup Artist |
Alberto Spagnoli | Crew | Camera | Director of Photography |
Basil Fenton-Smith | Crew | Sound | Sound Mixer |
Don MacDougall | Crew | Sound | Sound Re-Recording Mixer |
Elio Altamura | Crew | Art | Property Master |
Ferdinando Scarfiotti | Crew | Art | Production Design |
 Frank Marshall | Crew | Production | Associate Producer |
 Frederic Raphael | Crew | Writing | Screenplay |
Gianni Silvestri | Crew | Art | Set Dresser |
Grazia De Rossi | Crew | Costume & Make-Up | Hair Designer |
 Henry James | Crew | Writing | Novel |
John Furniss | Crew | Costume & Make-Up | Costume Design |
Lanfranco Diotallevi | Crew | Production | Unit Manager |
Mariolina Bono | Crew | Costume & Make-Up | Costume Design |
Maurizio Lucci | Crew | Production | Production Assistant |
 Peter Bogdanovich | Crew | Directing | Director, Producer |
Richard Portman | Crew | Sound | Sound Re-Recording Mixer |
 Verna Fields | Crew | Editing | Editor |
Mario Olivieri | Crew | Production | Unit Manager |
Tony Brandt | Crew | Directing | Assistant Director |
Luciano Piperno | Crew | Production | Production Manager |
Maria De Angelis Olivieri | Crew | Costume & Make-Up | Seamstress |
Anita Borgiotti | Crew | Directing | Script Supervisor |
Emilio Loffredo | Crew | Camera | Camera Operator |
Roberto Biciocchi | Crew | Camera | Still Photographer |
Giulio Diamanti | Crew | Camera | Key Grip |
Bill Lindemann | Crew | Sound | Sound Editor |
Mario Jurisic | Crew | Directing | Second Assistant Director |
Elmiro Rubeo | Crew | Lighting | Gaffer |
 Andrea Esterhazy | Cast | Actor | Doctor |
 Barry Brown | Cast | Actor | Frederick Winterbourne |
 Cloris Leachman | Cast | Actress | Mrs. Ezra Miller |
 Cybill Shepherd | Cast | Actress | Daisy Miller |
 Duilio Del Prete | Cast | Actor | Mr. Giovanelli |
 Eileen Brennan | Cast | Actress | Mrs. Walker |
 George Morfogen | Cast | Actor | Eugenio |
James McMurtry | Cast | Actor | Randolph Miller |
Jill Pratt | Cast | Opera Patron | |
 John Bartha | Cast | Actor | Hotel Receptionist Rome |
Maurizio Lucci | Cast | Miniaturist | |
 Mildred Natwick | Cast | Actress | Mrs. Costello |
 Nicholas Jones | Cast | Actor | Charles |
Rodolfo Lodi | Cast | Actor | Mrs. Walker's Guest |
 Tom Felleghy | Cast | Actor | Mrs. Walker's Butler |
Vito Abbonato | Cast | Young man (uncredited) | |
 Amedeo Salamon | Cast | Hotel Receptionist Rome | |
Elaine Olcott | Cast | Mrs. Walker's Guest | |
 Corinne Dunne | Cast | Actress | Opera Patron |
Jacques Guhl | Cast | Polish Boy | |
 Ugo Mari | Cast | Actor | Man at Bath (uncredited) |
| Person | Type | Job | Role(s) |
