- Janine L. Aines
- animal wrangler
- Natalie Alexander
- adr voice
- Kirk Baily
- adr voice
- Dawn Barkan
- animal wrangler (as Dawn M. Barkan)
- Julie Benson
- assistant: Mr. Hoffman
- Jeff Berger
- assistant: Ms. Rosenthal
- Jennifer Berman
- consultant: sex therapist
- Laura Berman
- consultant: sex therapist
- Tommy Bernard
- office production assistant
- Oren Bonen
- assistant: Mr. De Niro
- Brandon Brito
- assistant: Mr. Roach
- Renata Buser
- assistant: Ms. Streisand
- Calvin Callaway
- set production assistant
- Al Cerullo
- helicopter pilot
- Abbey Chambers
- assistant: Mr. Stiller
- David Cowgill
- adr voice
- Rachel Crane
- adr voice
- Rebecca Feldman
- second assistant accountant
- Elisa Gabrielli
- adr voice
- Eric Glasser
- set production assistant
- Rick Granville
- production secretary
- Nicholas Guest
- adr voice
- Al Guthery
- helicopter pilot
- Billy Guzner
- photo double: Little Jack
- Herschel Hardman
- wedding consultant (as Rabbi Herschel Hardman)
- Dan Harvey
- trainer: Mr. De Niro
- Wendy Hoffman
- adr voice
- Corri Hopkins
- accounting clerk
- Brandon Itagaki
- craft service
- Dawn Jeffory
- consultant: baby wrangling (as Dawn Jeffory-Nelson)
- Nicki Johnson
- assistant production coordinator
- Kip King
- adr voice
- Kevin LaRosa
- helicopter pilot (as Kevin Larosa)
- Marisa Lederman
- baby production assistant
- Brigette Lester
- production coordinator
- Andrew Lipschultz
- publicist
- Meghan Lyvers
- assistant: Ms. Rosenthal
- Liz Mahoney
- assistant: Mr. Stiller
- DeVera Marcus
- adr voice
- Marlene Marks
- payroll accountant
- Ryan McCormick
- assistant: Mr. Roach
- Michael Morgenthal
- production accountant (as Michael J. Morgenthal)
- Jeremiah Morris
- adr voice (as Jerimiah Morris)
- Dina Morrone
- adr voice
- Tim Nagasawa
- office production assistant
- Denis O'Sullivan
- set production assistant
- Bill Phillips
- construction accountant
- John Polce
- stand-in: Mr. De Niro (as John J. Polce)
- Denise Anderson Poore
- set production assistant
- Keith Potter
- assistant: Mr. Hoffman
- Phil Proctor
- adr voice
- Stephen Richards
- set production assistant
- Al Rodrigo
- adr voice
- Gail Rose
- first assistant accountant (as Gail Rose Abrahamson)
- Joe Rystrom
- set medic
- Rhonda Sherman
- baby wrangler / studio teacher
- Kim Skalecki
- assistant: Ms. Streisand
- Lynne Marie Stewart
- adr voice (as Lynn Marie Stewart)
- Joanne Stone
- consultant: ob/gyn (as Dr. Joanna Stone)
- Anthea Strangis
- second assistant accountant
- W.K. Stratton
- adr voice
- Jackie Tipper
- assistant: Mr. Hoffman
- Summer Valdes
- office production assistant
- Ted Yonenaka
- craft service
- Wendy Altman-Cohen
- principal eyewear (uncredited)
- Netta Bank
- representative: American Humane Association (uncredited)
- Mark Behar
- personal security: Ben Stiller & Robert De Niro (uncredited)
- Tony Cicola
- photo double: Ben Stiller (uncredited)
- Brett Marcus Coady
- assistant: Mr. De Niro (uncredited)
- Derek Cole
- production assistant (uncredited)
- Rachel Devenport
- on-line publicist: UK (uncredited)
- Terri Farley-Teruel
- production services (uncredited)
- Andrew Francis Fenady
- executive in charge of production (uncredited)
- Jaroslava Fernandez
- special effects contact lens technician (uncredited)
- Bruce Gray
- sculpture art provided by (uncredited)
- Barrett Gregory
- production assistant (uncredited)
- Jennifer Hamilton
- assistant choreographer (uncredited)
- Michael A. Heath
- asset manager (uncredited)
- Perry M. Kimura
- digital scanning and recording (uncredited)
- Marisa Lederman
- assistant baby wrangler (uncredited)
- Regina Lee
- studio reseacher (uncredited)
- Seth Marshall
- assistant: Robert De Niro (uncredited)
- Melissa Milo
- assistant: Mr. De Niro (uncredited)
- Marissa Schwierjohn
- alligator wrangler (uncredited)
- Billy Slaughter
- stand-in: Dustin Hoffman (uncredited)
- Michael C. Smith
- police coordinator (uncredited)
- Peter F. Tegan
- photo double: Robert De Niro (uncredited)
