|Directed by||Sean Anders|
|Music by||Michael Andrews|
|Edited by||Brad Wilhite|
Closest to the Hole Productions
|Distributed by||Paramount Pictures|
- Mark Wahlberg as Pete, Ellie's husband and the adoptive father of the three foster kids
- Rose Byrne as Ellie, Pete's wife and the adoptive mother of the three foster kids
- Isabela Moner as Lizzy, the oldest girl among the three foster kids.
- Gustavo Quiroz as Juan, the only boy among the three foster kids.
- Julianna Gamiz as Lita, the youngest girl among the three foster kids.
- Octavia Spencer as one of the social workers who guide the parents-to-be through the foster care process
- Tig Notaro as one of the social workers who guide the parents-to-be through the foster care process
- Margo Martindale as Pete's overbearing but goodhearted mother
- Iliza Shlesinger
- Tom Segura as Russ the Water Champion
- Julie Hagerty
- Eve Harlow as Brenda Fernandez
Rose Byrne joined the cast of the film on November 17, 2017. Isabela Moner will co-star alongside Mark Wahlberg for a second time, after previously working together on Transformers: The Last Knight in 2017. Octavia Spencer, Tig Notaro, Iliza Shlesinger, Gustavo Quiroz, Julianna Gamiz, and Tom Segura were added to the cast in February 2018, with filming beginning the following month, lasting until May 14.
The film is set to be released in theaters on November 16, 2018, after previously being stated to be released on February 15, 2019.
- Rose Byrne Joins Mark Wahlberg In ‘Instant Family’ From Paramount
- Octavia Spencer, Tig Notaro Join Mark Wahlberg Comedy 'Instant Family' (Exclusive)
- Now Casting: Play a Couple in ‘Instant Family’ With Mark Wahlberg and Rose Byrne + 3 More Gigs
- D'Alessandro, Anthony (August 13, 2018). "Paramount Moves Mark Wahlberg Pic 'Instant Family' To Pre-Thanksgiving Frame". Deadline Hollywood. Retrieved August 13, 2018.