An overdose intervention hotline operator fights to keep callers alive through a relentless overnight shift, racing to dispatch help when voices fall silent. Still haunted by the overdose death of her eldest daughter, Ramona forms raw, intimate connections with callers that force her to confront her own grief and guilt.
| Actor | Role |
|---|---|
 Chelah HorsdalRamona | Ramona |
 Bethany BrownJenny (Voice) | Jenny (Voice) |
 Jessica SuttonAaliyah | Aaliyah |
 Aleks PaunovicPeter (Voice) | Peter (Voice) |
 Moneca Delain911 Operator (Voice) | 911 Operator (Voice) |
 Jason Simpson911 Operator (Voice) | 911 Operator (Voice) |
 Brian DobsonParamedic (Voice) | Paramedic (Voice) |
 Emily DelahuntyTeenage Girl (Voice) | Teenage Girl (Voice) |
 Pamela TorresAmanda's Friend (Voice) | Amanda's Friend (Voice) |
 Scott PateyTyler (Voice) | Tyler (Voice) |
 Leopoldo VieytesDevon (Voice) | Devon (Voice) |
| DDaniel CardosoParamedic (Voice) | Paramedic (Voice) |