The term typically refers to a digital file containing two audio tracks:

| Character | Original English Voice | Role in Story | | :--- | :--- | :--- | | | Alec Baldwin | The successful CEO turned back into a baby. | | Tim Templeton | James Marsden | Ted's older brother, struggling with dad life. | | Tina Templeton | Amy Sedaris | The new Boss Baby and the secret agent of the family. | | Tabitha Templeton | Ariana Greenblatt | Tim’s intelligent older daughter. | | Dr. Erwin Armstrong | Jeff Goldblum | The antagonist, a genius baby with a sinister plan. |

For those downloading or streaming, ensure you look for these specifications to get the "new" high-quality experience: