A distraught widower is caught in a bitter custody battle with his late wife's parents over his 10-year-old son, following his plans to remarry and move off to California with the boy.
Unfortunately the movie Mark, I Love You is not yet available on HBO Max.
| Writing | Sue Grafton | Teleplay |
| Art | Randal Woodward | Lead Painter |
| Directing | Gunnar Hellström | Director |
| Art | Fred Price | Production Design |
| Production | Jay Aubrey | Production Manager |
| Sound | Jimmie Haskell | Original Music Composer |
| Production | Mardi Rustam | Executive Producer |
| Camera | Henry M. Lebo | Assistant Camera |
| Lighting | Danny Buck | Gaffer |
| Production | William Hayward | Producer |
| Camera | Buzz Feitshans IV | Assistant Camera |
| Camera | Bradford May | Camera Operator |
| Camera | Thomas Del Ruth | Director of Photography |
| Editing | Bob Bring | Editor |
| Production | James T. Aubrey | Executive Producer |
| Camera | Ronald Vidor | Camera Operator |
| Production | Kimberly Staunch | Associate Producer |
| Directing | Craig Morse | Second Assistant Director |
| Production | Joseph A. Liuzzi | Location Manager |
| Writing | Hal W. Painter | Book |
| Production | Susan Bluestein | Casting |
| Costume & Make-Up | Melanie Levitt | Makeup Department Head |
| Production | Thomas R. Polizzi | Production Manager |
| Production | Marsha Kleinman | Casting |
