| Antonio | Banderas | Spanish actor and singer. |
| Sylvia | Casimiro | A police officer. |
| Paige | Collins | Noah's wife. |
| Bradley | Cooper | American actor and filmmaker. |
| Alfonso | Da Silva | A police officer. |
| Neil | Diamond | American recording artist; singer-songwriter. |
| Albert | Einstein | German physicist; developer of the theory of relativity. |
| Alison | Foley | Will's fiancé. aka: Ali. |
| Maria | Foley | Ali's mother. |
| David | Friedman | Entertainment company owner. |
| Marvin | Gaye | American singer and songwriter. |
| Whitney | Houston | American singer and actress. |
| Bob | Hunter | Will and Jack's father. |
| Jack | Hunter | Rachel's husband. |
| William | Hunter | Jack's younger brother. aka: Will. |
| Norah | Jones | American singer, songwriter, and pianist. |
| Kim | Kardashian | American television and social media personality. |
| Christian | Louboutin | French shoe designer. |
| Bill | Medley | American singer and songwriter, record producer. |
| Ed | Sheeran | English singer-songwriter. |
| Patrick | Swayze | American actor, dancer, and singer. |
| Jennifer | Warnes | American recording artist; singer. |
| Mrs. | Wickes | Rachel's neighbor. |
| Stevie | Wonder | American singer, songwriter, musician and record producer. |
| Cass | | Rachel's friend. |
| Chloe | | Noah and Paige's daughter. |
| Chrissy | | Ali's friend. |
| John | | Kimberley's husband. |
| Josh | | Rachel's son. |
| Ken | | Maria's husband. |
| Kimberley | | Ali's cousin. aka: Kim. |
| Liz | | Neil's wife. |
| Neil | | A mechanic. |
| Nettie | | Ali's grandmother. |
| Noah | | Rachel's friend from college. |
| Paulo | | Will's acquaintance. |
| Pippa | | Ali's friend. |
| Rachel | | Will's sister-in-law. |
| Ramiro | | Yoga teacher. |
| Rick | | Jack's acquaintance. |
| Sam | | Ali's acquaintance. |
| Val | | Will and Jack's mother. |
