| Eddie Albert | ... | Himself - Nominee: Best Actor in a Supporting Role & Co-Presenter: Best Sound |
| Edward Albert | ... | Himself - Co-Presenter: Best Sound |
| Julie Andrews | ... | Herself - Co-Presenter: Best Director |
| Bea Arthur | ... | Herself - Co-Presenter: Best Short Subject, Animated Films & Live Action Films |
| Marisa Berenson | ... | Herself - Co-Presenter: Best Costume Design |
| Candice Bergen | ... | Herself - Co-Presenter: Best Cinematography |
| Jeannie Berlin | ... | Herself - Nominee: Best Actress in a Supporting Role |
| Sonny Bono | ... | Himself - Co-Presenter: Best Original Song (as Sonny) |
| John Boorman | ... | Himself - Nominee: Best Director |
| Peter Boyle | ... | Himself - Co-Presenter: Best Short Subject, Animated Films & Live Action Films |
| James Brolin | ... | Himself - Audience Member |
| Carol Burnett | ... | Herself - Co-Host |
| James Caan | ... | Himself - Nominee: Best Actor in a Supporting Role |
| Michael Caine | ... | Himself - Co-Host & Co-Presenter: Best Costume Design |
| Dyan Cannon | ... | Herself - Co-Presenter: Best Original Dramatic Score & Best Original Song Score and or Adaptation |
| Diahann Carroll | ... | Herself - Performer |
| Cher | ... | Herself - Co-Presenter: Best Original Song |
| James Coburn | ... | Himself - Co-Presenter: Best Actor in a Supporting Role |
| Francis Ford Coppola | ... | Himself - Winner: Best Adapted Screenplay & Nominee: Best Director |
 | James Doolittle | ... | Himself - Audience Member |
| Robert Duvall | ... | Himself - Nominee: Best Actor in a Supporting Role & Co-Presenter: Best Actress in a Supporting Role |
| Clint Eastwood | ... | Himself - Presenter: Best Picture / Substitute Co-Host |
| Robert Evans | ... | Himself - Audience Member |
| Cy Feuer | ... | Himself - Nominee: Best Picture |
| Bengt Forslund | ... | Himself - Nominee: Best Picture |
| Bob Fosse | ... | Himself - Winner: Best Director |
| Zsa Zsa Gabor | ... | Herself - Audience Member |
| Greer Garson | ... | Herself - Co-Presenter: Best Art Direction-Set Decoration |
| John Gavin | ... | Himself - Co-Presenter: Best Film Editing |
| Joel Grey | ... | Himself - Winner: Best Actor in a Supporting Role |
| Gene Hackman | ... | Himself - Co-Presenter: Best Actress in a Leading Role |
| Laurence Harvey | ... | Himself - Co-Presenter: Best Art Direction-Set Decoration |
| Eileen Heckart | ... | Herself - Winner: Best Actress in a Supporting Role |
| Charlton Heston | ... | Himself - Co-Host & Presenter: Honorary Award to Edward G. Robinson |
| Joel Hirschhorn | ... | Himself - Winner: Best Original Song |
| Rock Hudson | ... | Himself - Co-Host |
| Kate Jackson | ... | Herself - Audience Member |
| Michael Jackson | ... | Himself - Performer |
| Al Kasha | ... | Himself - Winner: Best Original Song |
| Angela Lansbury | ... | Herself - Performer |
| Jeremy Larner | ... | Himself - Winner: Best Original Screenplay |
| Cloris Leachman | ... | Herself - Co-Presenter: Best Actress in a Supporting Role |
| Jack Lemmon | ... | Himself - Presenter: Writing Awards |
| Sacheen Littlefeather | ... | Herself - Refusing Best Actor Award for Marlon Brando |
| Joseph L. Mankiewicz | ... | Himself - Nominee: Best Director |
| Liza Minnelli | ... | Herself - Winner: Best Actress in a Leading Role |
| Roger Moore | ... | Himself - Co-Presenter: Best Actor in a Leading Role |
| Merle Oberon | ... | Herself - Presenter: Special Achievement Award to 'The Poseidon Adventure' for Visual Effects |
| Dorothy Ann Puzo | ... | Herself - Accepting Writing Award for Her Father Mario Puzo |
| Robert B. Radnitz | ... | Himself - Nominee: Best Picture |
| Burt Reynolds | ... | Himself - Co-Presenter: Best Original Dramatic Score & Best Original Song Score and / or Adaptation |
| Cesar Romero | ... | Himself - Audience Member |
| Diana Ross | ... | Herself - Nominee: Best Actress in a Leading Role & Co-Presenter: Best Actor in a Supporting Role |
| Katharine Ross | ... | Herself - Co-Presenter: Best Film Editing |
| Albert S. Ruddy | ... | Himself - Winner: Best Picture |
| Rosalind Russell | ... | Herself - Hersholt Award Recipient (as Rosalind Russell Brisson) |
| Dinah Shore | ... | Herself - Audience Member |
| Frank Sinatra | ... | Himself - Presenter: Hersholt Award |
| Elke Sommer | ... | Herself - Co-Presenter: Best Foreign Film Language |
| Connie Stevens | ... | Herself - Performer |
| George Stevens | ... | Himself - Co-Presenter: Best Director |
| Susan Tyrrell | ... | Herself - Nominee: Best Actress in a Supporting Role |
| Cicely Tyson | ... | Herself - Nominee: Best Actress in a Leading Role |
| Liv Ullmann | ... | Herself - Nominee: Best Actress in a Leading Role & Co-Presenter: Best Actor in a Leading Role |
| Jack Valenti | ... | Himself - Co-Presenter: Best Foreign Film Language |
| Robert Wagner | ... | Himself - Co-Presenter: Best Documentary, Short Subjects & Features |
| Richard Walsh | ... | Himself - Presenter: Honorary Award to Charles S. Boren |
| Raquel Welch | ... | Herself - Co-Presenter: Best Actress in a Leading Role |
| Billy Dee Williams | ... | Himself - Co-Presenter: Best Cinematography |
| Richard Williams | ... | Himself - Winner: Best Animated Short Film |
| Shelley Winters | ... | Herself - Nominee: Best Actress in a Supporting Role |
| Natalie Wood | ... | Herself - Co-Presenter: Best Documentary, Short Subjects & Features |
| Desi Arnaz Jr. | ... | Himself - Audience Member (uncredited) |
| Lorna Luft | ... | Herself - Audience Member (uncredited) |
| Vincente Minnelli | ... | Himself - Audience Member (uncredited) |
| Jerry Trent | ... | Dancer (uncredited) |
company.