 | Ruth Gordon als Dame Marjorie "Maude" Chardin |
 | Bud Cort als Harold Parker Chasen |
 | Vivian Pickles als Mrs. Chasen |
 | Cyril Cusack als Glaucus |
 | Charles Tyner als Uncle Victor |
 | Ellen Geer als Sunshine Doré |
 | Eric Christmas als Priest |
 | G. Wood als Psychiatrist |
 | Judy Engles als Candy Gulf |
 | Shari Summers als Edith Phern |
 | Tom Skerritt als Motorcycle Officer |
| Susan Madigan als Girlfriend |
| Ray K. Goman als Police Officer |
| Gordon Devol als Police Officer |
| Harvey Brumfield als Police Officer |
| Henry Dieckoff als Butler |
| Philip Schultz als Doctor |
| Sonia Sorel als Head Nurse |
| Margot Jones als Student Nurse |
| Barry Higgins als Intern |
| Jerry Randall als Stunt Double |
| Pam Pebermeyer als Stunt Double |
 | Buddy Joe Hooker als Stunt Double |
 | Hal Ashby als Bearded Man Watching Model Train (uncredited) |
| Colin Higgins | Producer |
| Lynn Stalmaster | Casting |
| William A. Sawyer | Editor |
| Hal Ashby | Director |
| Charles Mulvehill | Producer |
| Edward Warschilka | Editor |
| Michael D. Haller | Production Design |
| John A. Alonzo | Director of Photography |
| Randy Glass | Best Boy Electrician |
| Stephen R. Ferry | Props |
| Charles Record | Key Grip |
| Wes McAfee | Unit Production Manager |
| Michael Dmytryk | First Assistant Director |
| Sam Gemette | Assistant Editor |
| Colin Higgins | Writer |
| William Ware Theiss | Costume Designer |
| Kathryn Blondell | Hairstylist |
| Frank E. Warner | Sound Editor |
| Andrea E. Weaver | Wardrobe Supervisor |
| Mildred Lewis | Executive Producer |
| Richard Portman | Sound Re-Recording Mixer |
| James A. Richards | Sound Editor |
| Richard Hart | Gaffer |
| Robert Enrietto | Second Assistant Director |
| Buddy Joe Hooker | Stunt Coordinator |
| Ken Johnson | Music Editor |
| Joe R. Marquette Jr. | Camera Operator |
| James Cane | Set Dresser |
| Don Zimmerman | Assistant Editor |
| Pablo Ferro | Title Designer |
| William Randall | Sound |
| Bob Stein | Makeup Artist |
| Steve Silver | Production Assistant |
| Jeff Wexler | Production Assistant |
| Cat Stevens | Songs |
| Paul Samwell-Smith | Recording Supervision |
| A.D. Flowers | Special Effects |
