Abe Lincoln in Illinois is a 1940 biographical film which tells the story of the life of Abraham Lincoln from his departure from Kentucky until his election as President of the United States.
| Directing | John Cromwell | Director |
| Camera | James Wong Howe | Director of Photography |
| Writing | Robert E. Sherwood | Screenplay |
| Writing | Robert E. Sherwood | Theatre Play |
| Writing | Grover Jones | Adaptation |
| Production | Max Gordon | Producer |
| Art | Van Nest Polglase | Art Direction |
| Art | Casey Roberts | Set Decoration |
| Sound | Roy Webb | Original Music Composer |
| Editing | George Hively | Editor |
| Production | Charles Richards | Casting |
| Camera | James Daly | Camera Operator |
| Camera | Eddie Pyle | Camera Operator |
| Production | Harold Lewis | Unit Manager |
| Costume & Make-Up | James R. Barker | Makeup Artist |
| Costume & Make-Up | Don L. Cash | Makeup Artist |
| Costume & Make-Up | Fred Frederick | Wig Designer |
| Costume & Make-Up | Doris Harris | Hairstylist |
| Costume & Make-Up | Norbert A. Myles | Makeup Artist |
| Costume & Make-Up | Hazel Rogers | Hairstylist |
| Costume & Make-Up | Maurice Seiderman | Makeup Artist |
| Directing | Dewey Starkey | Assistant Director |
| Directing | William Dorfman | Assistant Director |
| Directing | Harry Mancke | Assistant Director |
| Directing | Grayson Rogers | Assistant Director |
| Art | Carroll Clark | Other |
| Art | William Hartman | Props |
| Art | Charles Matthews | Props |
| Sound | Hugh McDowell Jr. | Sound Recordist |
| Sound | Dan Kellerber | Other |
