Instant Family

Mark Wahlberg

As Pete Wagner

Rose Byrne

As Ellie Wagner

Allyn Rachel

As Kim

Isabela Merced

As Elizabeth “Lizzy” Viara

Julie Hagerty

As Jan

Tig Notaro

As Sharon

Octavia Spencer

As Karen

Gustavo Escobar

As Juan Viara

Margo Martindale

As Sandy Wagner

Julianna Gamiz

As Lita Viara

Tom Segura

As Russ

Britt Rentschler

As Linda

Michael O'Keefe

As Jerry

Jody Thompson

As Jim

Iliza Shlesinger

As October Ross Jennings

Gary Weeks

As Dirk McCann

Joy Jacobson

As Dana McCann

Hampton Fluker

As Kit

Randy Havens

As Michael

Andrea Anders

As Jessie

Kenneth Israel

As David

Joan Cusack

As Mrs. Howard

Valente Rodriguez

As Judge Rivas

Carson Holmes

As Charlie

Jaiden Byrd

As Young Brian

Connor Jones

As Young Pete

James Arthur Sims

As Brian's Dad

Rosemary Dominguez

As Mrs. Fernandez

Javier Ronceros

As Mr. Fernández

Eve Harlow

As Brenda Fernandez

Nicholas Logan

As Jacob

Charlie McDermott

As Stewart

Joselin Reyes

As Carla

Erika Bierman

As Kylie

Sarah Kirkpatrick

As Kimberly

Maureen Brennan

As Mrs. Muskie

Kelly Tippens

As Miss Peppers

John McConnell

As Mr. Muskie

Layla Felder

As Savannah

Allen Zwolle

As Principal

Stella Doyle

As Ms. Franks

Andrene Ward-Hammond

As Sue

Remy Ortiz

As Random Dad

William J. Simmons

As Lita's Classmate

Denitra Isler

As Bailiff

Anthony "Ace" Thomas

As Cop

Candice Daniels

As Nurse

Alexis Lord

As Soccer Girl

Perry Westberry

As Doctor

Maegan McCarthy

As Kindergarten Teacher

Jerry T. Richerson

As Student

Billie Wilemon

As Emergency Room Nurse

Cruze Lynnox Keith

As Lita's Classmate

Caleb Pratt

As Student

Jonathan Kobs

As Roberto C. Fishman Pratt

Armonie Kamea Pierce

As Adoptive Kid