| Person | Type | Job | Role(s) |
|---|---|---|---|
 Ben Lane | Crew | Costume & Make-Up | Makeup Artist |
Dick Moder | Crew | Directing | Assistant Director |
 Dorothy Jeakins | Crew | Costume & Make-Up | Costume Supervisor |
 Franklin J. Schaffner | Crew | Directing | Director |
 Gore Vidal | Crew | Writing | Screenplay, Story |
 Hal Ashby | Crew | Editing | Editorial Consultant |
 Haskell Wexler | Crew | Camera | Director of Photography |
Jack Solomon | Crew | Sound | Sound |
Jim Henrikson | Crew | Sound | Music Editor |
Lawrence Turman | Crew | Production | Producer, Presenter |
 Lyle R. Wheeler | Crew | Art | Production Design |
 Lynn Stalmaster | Crew | Production | Casting Director |
Marion Rosenberg | Crew | Production | Producer's Assistant |
Max Frankel | Crew | Art | Property Master |
Richard Mansfield | Crew | Art | Set Decoration |
Robert Goodstein | Crew | Production | Unit Manager |
Robert Swink | Crew | Editing | Editor |
Stuart Millar | Crew | Production | Producer, Presenter |
Ted Tetrick | Crew | Costume & Make-Up | Wardrobe Designer |
 Tom Mankiewicz | Crew | Production | Production Executive |
Virginia Jones | Crew | Costume & Make-Up | Hairstylist |
George E. Swink | Crew | Editing | Assistant Editor |
Don Hall | Crew | Sound | Sound Editor |
Ben Hersh | Crew | Production | Production Supervisor |
Robert Johannes | Crew | Camera | Camera Operator |
 Mort Lindsey | Crew | Sound | Original Music Composer |
Kay Thackery | Crew | Directing | Script Supervisor |
Kathleen Dennis | Crew | Costume & Make-Up | Wardrobe Designer |
 Ann Sothern | Cast | Actress | Sue Ellen Gamadge |
 Billy Beck | Cast | Actor | Party Guest (uncredited) |
 Cliff Robertson | Cast | Actor | Joe Cantwell |
 Edie Adams | Cast | Actress | Mabel Cantwell |
 Fred Aldrich | Cast | Actor | Delegate (uncredited) |
 Gene Raymond | Cast | Actor | Don Cantwell |
George Bruggeman | Cast | Actor | Reporter (uncredited) |
 George DeNormand | Cast | Actor | Cantwell Supporter (uncredited) |
 George Furth | Cast | Actor | Tom |
George Kirgo | Cast | Actor | Speechwriter |
Gore Vidal | Cast | Actor | Delegate (uncredited) |
H.E. West | Cast | Actor | Sen. Lazarus |
 Henry Fonda | Cast | Actor | William Russell |
 Howard K. Smith | Cast | Actor | Howard K. Smith |
Jack Daly | Cast | Actor | Photographer (uncredited) |
John Alban | Cast | Actor | Banquet Guest (uncredited) |
John Henry Faulk | Cast | Actor | Gov. T.T. Claypoole |
Kenneth Gibson | Cast | Actor | Reporter (uncredited) |
 Kevin McCarthy | Cast | Actor | Dick Jensen |
 Lee Tracy | Cast | Actor | President Art Hockstader |
 Leoda Richards | Cast | Actress | Convention Attendee (uncredited) |
 Leon Alton | Cast | Actor | Russell Supporter (uncredited) |
 Mahalia Jackson | Cast | Actress | Mahalia Jackson |
 Margaret Leighton | Cast | Actress | Alice Russell |
 Marie Blake | Cast | Actress | Cleaning Woman (as Blossom Rock) |
Michael MacDonald | Cast | Actor | Zealot |
Natalie Masters | Cast | Actress | Mrs. Anderson |
 Noble 'Kid' Chissell | Cast | Actor | Man at Pool (uncredited) |
 Penny Singleton | Cast | Actress | Mrs. Claypoole (scenes deleted) |
 Richard Arlen | Cast | Actor | Sen. Oscar Anderson |
 Rupert Crosse | Cast | Actor | Reporter (uncredited) |
 Sam Harris | Cast | Actor | Cantwell Supporter (uncredited) |
 Shelley Berman | Cast | Actor | Sheldon Bascomb |
 Sherwood Keith | Cast | Actor | Doctor |
 Tyler McVey | Cast | Actor | Chairman |
Dick Cherney | Cast | Actor | Reporter (uncredited) |
 Herschel Graham | Cast | Actor | Campaign Worker (uncredited) |
 Mary Lawrence | Cast | Actress | Mrs. Merwin |
Bill Stout | Cast | Bill Stout | |
Anne Newman Bacal | Cast | Actress | Janet (as Anne Newman) |
David Armstrong | Cast | Actor | Russell Campaign Worker (uncredited) |
Donald Chaffin | Cast | Supporter (uncredited) | |
Don Ames | Cast | Actor | Supporter (uncredited) |
William R. Ebersol | Cast | Gov. John Merwin | |
| Person | Type | Job | Role(s) |
