 Audrey HepburnHolly Golightly | Holly Golightly |
 George PeppardPaul Varjak | Paul Varjak |
 Patricia Neal2E Failenson | 2E Failenson |
 Buddy EbsenDoc Golightly | Doc Golightly |
 Martin BalsamO.J. Berman | O.J. Berman |
 José Luis de VilallongaJosé da Silva Pereira | José da Silva Pereira |
 John McGiverTiffany's Salesman | Tiffany's Salesman |
 Alan ReedSally Tomato | Sally Tomato |
 Dorothy WhitneyMag Wildwood | Mag Wildwood |
 Beverly PowersNightclub Stripper | Nightclub Stripper |
 Stanley AdamsRusty Trawler | Rusty Trawler |
 Claude StroudSid Arbuck | Sid Arbuck |
 Elvia AllmanLibrarian | Librarian |
 Mickey RooneyMr. Yunioshi | Mr. Yunioshi |
 Don AndersonBartender (uncredited) | Bartender (uncredited) |
| AAl AvalonSpieler at Strip Club (uncredited) | Spieler at Strip Club (uncredited) |
 Janet BanzetWoman (uncredited) | Woman (uncredited) |
 Mel BlancHolly's Drunk Visitor (voice) (uncredited) | Holly's Drunk Visitor (voice) (uncredited) |
| JJoe ScottParty Guest (uncredited) | Party Guest (uncredited) |
| JJim MichaelStrip Club Patron (uncredited) | Strip Club Patron (uncredited) |
| HHenry BarnardParty Guest (uncredited) | Party Guest (uncredited) |
 Henry BeckmanCronberger (uncredited) | Cronberger (uncredited) |
| AArthur BerkeleyInmate (uncredited) | Inmate (uncredited) |
| NNicky BlairParty Guest (uncredited) | Party Guest (uncredited) |
| WWillie BloomInmate (uncredited) | Inmate (uncredited) |
| BBill BradleyReporter (uncredited) | Reporter (uncredited) |
| TThayer BurtonGirl in Shower (uncredited) | Girl in Shower (uncredited) |
 Sue CaseyParty Guest (uncredited) | Party Guest (uncredited) |
| RRoydon ClarkParty Guest (uncredited) | Party Guest (uncredited) |
 Marian CollierParty Guest (uncredited) | Party Guest (uncredited) |
