| Person | Type | Job | Role(s) |
|---|---|---|---|
 Bud Westmore | Crew | Costume & Make-Up | Makeup Artist |
 Edward Muhl | Crew | Production | Executive In Charge Of Production |
Hans J. Salter | Crew | Sound | Original Music Composer |
 Henry Bumstead | Crew | Art | Art Direction |
Italo Tomassi | Crew | Art | Art Department Manager |
Jack Freeman | Crew | Costume & Make-Up | Makeup Artist |
John P. Austin | Crew | Art | Set Decoration |
Joseph Gershenson | Crew | Sound | Music Supervisor |
Larry Germain | Crew | Costume & Make-Up | Hairstylist |
 Léo L. Fuchs | Crew | Camera | Still Photographer |
 Maurice Richlin | Crew | Writing | Screenplay |
Morton Haack | Crew | Costume & Make-Up | Costume Design |
 Raoul Walsh | Crew | Production | Producer |
Robert Arthur | Crew | Production | Producer |
 Robert Mulligan | Crew | Directing | Director |
Robert Russell | Crew | Writing | Story |
Russell F. Schoengarth | Crew | Editing | Editor |
Russell Garcia | Crew | Crew | Additional Music |
Stanley Roberts | Crew | Writing | Story |
Stanley Shapiro | Crew | Writing | Screenplay |
William H. Daniels | Crew | Camera | Director of Photography |
Waldon O. Watson | Crew | Sound | Sound |
Sash Fisher | Crew | Sound | Sound |
Ernest B. Wehmeyer | Crew | Production | Production Manager |
Joseph E. Kenney | Crew | Directing | Assistant Director |
Ethmer Roten | Crew | Sound | Musician |
Henry Willson | Crew | Production | Associate Producer |
Raffaele Marino | Crew | Lighting | Gaffer |
Anna Maestri | Cast | Maria (Maid) (uncredited) | |
 Bobby Darin | Cast | Actor | Tony |
 Brenda De Banzie | Cast | Actress | Margaret Allison |
 Charles Fawcett | Cast | Actor | Warren (uncredited) |
Christopher Seitz | Cast | Actor | Larry |
Edy Nogara | Cast | Lisa's Maid (uncredited) | |
Francesco Tensi | Cast | Actor | Robert's Secretary (uncredited) |
 Giacomo Furia | Cast | Actor | Poliziotto (uncredited) |
 Gina Lollobrigida | Cast | Actress | Lisa Helena Fellini |
Helen Stirling | Cast | Actress | Katherine (uncredited) |
 Joan Freeman | Cast | Actress | Linda |
 Joel Grey | Cast | Actor | Beagle |
 John Stacy | Cast | Actor | Douglas (uncredited) |
Liana Del Balzo | Cast | Actress | Mother Superior (uncredited) |
 Milena Vukotić | Cast | Actress | Melinda (Maid) (uncredited) |
 Mimmo Poli | Cast | Actor | Commissario (uncredited) |
Nancy Anderson | Cast | Actress | Patricia |
 Pietro De Vico | Cast | Actor | Poliziotto (uncredited) |
 Renato Malavasi | Cast | Actor | Man (uncredited) |
 Rock Hudson | Cast | Actor | Robert L. Talbot |
 Ronald Howard | Cast | Actor | Spencer |
 Rossana Rory | Cast | Actress | Anna |
 Sandra Dee | Cast | Actress | Sandy Stevens |
Stella Rho | Cast | Actress | Teresa (Maid) (uncredited) |
 Walter Slezak | Cast | Actor | Maurice Clavell |
Nello Appodia | Cast | Station Master (uncredited) | |
Ronnie Haran | Cast | Actress | Sparrow |
Michael Eden | Cast | Ron | |
Claudia Brack | Cast | Carol | |
Betty Foa | Cast | Actress | Elena (uncredited) |
Liliana Celli | Cast | Seamstress (uncredited) | |
Cindy Conroy | Cast | Julia | |
| Person | Type | Job | Role(s) |
