Cast & crew
The Marcus-Nelson Murders (1973)
Directed by Joseph Sargent Written by Abby Mann
Cast
| Carolyn Nelson | Melissa |
| Bill Zuckert | Eric Matthews |
| Steve Gravers | Irwin |
| Robert Walden | Mr. Vornick |
| Joshua Shelley | Sack |
| Lawrence Pressman | Cabot |
| John Sylvester White | Inspector Juve (as Edmond Bréon) |
| Lynn Hamilton | Arless Humes |
| Ben Hammer | Bernard Judge |
| Alex Colon | Timoteo |
| Lloyd Gough | Inspector Juve (as Edmond Bréon) |
| Paul Jenkins | Al Wilmington |
| Tol Avery | Redding |
| José Ferrer | Jake |
| Patricia O'Connell | Corrigan |
| Robert Fields | Goodman |
| Chita Rivera | Josie |
| Antonia Rey | Rita |
| Helen Page Camp | Hedda Hopper |
| Lorraine Gary | Ruthie |
| Gene Woodbury | Arless Humes |
| Marjoe Gortner | Teddy |
| Val Bisoglio | Det. Ricardo 'Rico' Tubbs |
| Roger Robinson | Martin |
| George Savalas | Jack Bellin |
| Bruce Kirby | McCartney |
| Harriet Karr | Cindy |
| Henry Brown | Abe |
| Elizabeth Berger | Ann |
| Alan Manson | Trent Roberts |
| Ned Beatty | Corrigan |
| Telly Savalas | Kojak |
| Fred Holliday | Sgt. Taggart |
| Allen Garfield | Mario |
| Lora Kaye | Kathy |
| Ellen Moss | Lynn Denlon |
| William Watson | Matt Benning |
Crew
| Richard Belding | Supervising Editor |
| John J. Lloyd | Art Direction |
| Abby Mann | Characters |
| John R. Carter | Sound |
| Billy Goldenberg | Music |
| Mario Tosi | Director of Photography |
| Charles Waldo | Costume Design |
| Joseph Sargent | Director |
| Richard M. Sprague | Editor |
| Carl Pingitore | Editor |
| Abby Mann | Writer |
| Alan Crosland, Jr. | Assistant Director |
| George Gaines | Set Decoration |
| Hal Mooney | Music Supervisor |
| Ben Bishop | Unit Manager |