The interwoven stories of three couples which are forced to make life-altering decisions in the face of a disastrous war. Inspired and sometimes blinded by their love, Len, Mia, Andy, Esther, Anna and Erik are as flawed and beautiful as any of the billions who are facing this human-made biological disaster.
Unfortunately the movie Parts Per Billion is not yet available on HBO Max.
| Directing | Brian Horiuchi | Director |
| Writing | Brian Horiuchi | Writer |
| Production | Rosario Dawson | Executive Producer |
| Production | Michael Benaroya | Producer |
| Production | Jennifer Levine | Producer |
| Costume & Make-Up | Mona May | Costume Design |
| Production | Cole Payne | Executive Producer |
| Art | Paulette Georges | Art Direction |
| Sound | Richard Adrian | Sound Designer |
| Production | Caldecot Chubb | Executive Producer |
| Production | Cassian Elwes | Executive Producer |
| Production | Mike Gallant | Executive Producer |
| Production | Joe Jenckes | Executive Producer |
| Sound | Alejandro Sarmiento | Sound Designer |
| Production | David Dickson | Producer |
| Editing | Curtiss Clayton | Editor |
| Production | James Lejsek | Executive Producer |
| Production | Raj Brinder Singh | Executive Producer |
| Art | Theresa Guleserian | Production Design |
| Production | Molly Hassell | Producer |
| Production | D. Todd Shepherd | Executive Producer |
| Production | Peter Graham | Executive Producer |
| Production | Robert Ogden Barnum | Executive Producer |
| Production | Kevin Scott Frakes | Executive Producer |
| Production | Arianne Fraser | Executive Producer |
| Production | Stephen Hays | Executive Producer |
| Sound | Andrew Liu | Sound Re-Recording Mixer |
| Camera | John Guleserian | Director of Photography |
| Production | George Waud | Executive Producer |
| Sound | Mark Kilian | Original Music Composer |
