Secuela de la comedia infantil dirigida en 2001 por Lawrence Guterman y en la que los protagonistas son los dos grandes enemigos del reino animal doméstico: los perros y los gatos. Ahora, sin embargo, se avecina la revancha de Kitty Galore.
Diseño de personajes: John Requa, Glenn Ficarra
Producción asociada: Debbi Bossi
Producción: Polly Cohen Johnsen, Andrew Lazar
Producción ejecutiva: Brent O'Connor
Música: Christopher Lennertz
Fotografía: Steven B. Poster
Montaje: Julie Rogers
Casting: Kristy Carlson
Diseño de producción: Rusty Smith
Vestuario: Tish Monaghan
Maquillaje: Kathleen P. Campbell
Departamento artístico: Ramsey Avery, Dean Barker, Bob Bottieri, Trevor Christie, James Robert 'J.R.' Davis, Neil Fairall, Salmon Harris, Adrian Hrytzak, Martina Javorova, Cherie Kroll, Sierra Laflamme, Jaydene Maryk, Joe May, Jim Ramsay, Shelley Silverman, Lindsey Sjoberg, Lori West
Sonido: Christopher S. Aud, Bob Beher, Evan Daum, Bill Devine, Lisa J. Levine, Mark L. Mangino, Alyson Dee Moore, Jason Oliver, John Roesch, Bruce Tanis, David Werntz, Thomas Whiting
Efectos especiales: Adam Behr, Roland Blancaflor, Darin Bouyssou, Val Crawford, Chris Hatchwell, Mark Hunter, Reggie Rizzo, Lee Romaire, Harry Tomsic
Efectos visuales: Laide Agunbiade, Dave Asling, Joseph Bailey, Berj Bannayan, Joe Bauer, Michael Becki, Max Bickley, Kane Brassington, Hans Brekke, Seth Brower, James W. Brown, Jeff Bruneel, Howard R. Campbell, Jangwoo Choi, Jeremy Cho, Dug Claxton, James Cochrane, David Cole, Shane Cook, Paul Copeland, Jon Cowley, Cynthia Crimmins, Rob Crone, Owen Demers, Brennan Doyle, Noel Eaton, Nicholas Elwell, Firat Enderoglu, Fish Essenfeld, Natascha Evans, Page Frakes, Allan Gersten, Deborah Giarratana, Ryan Gilleland, Brian Hanable, Andy Hass, Adam Hazard, Dylan Highsmith, Rory Hinnen, Andrew Hofman, Beth Howe, Ian Hulbert, Joseph Jones, Sushil Kalyanshetti, Stephen King, Stephanie C. Lee, David Legault, Todd Liddiard, Allan Magled, Mary E. Manning, Adam Marisett, Wendy Mashburn, James Michael Miller, Chris Morley, Bo Mosley, Christopher Mullins, Bob Munroe, Mike Murphy, Ross Nakamura, Jordan Nounnan, Miguel Ortega, Clayton Osmus, Anuj Patil, Steven Quinones-Colon, Winston Quitasol, Jonathan S. Ramos, George Richman, Colin Riley, Gwendelyn Robson, Juan Carlos Moreno Rogel, Ryan Rogers, Charles Rose, Thomas Rosseter, Marc Roth, Craig Rowe, Jordan Schilling, David Schnee, Parker Sellers, Carolyn Shelby, Prasanna Siddharthan, Jason Stansell, Randy Starr, Jeff Stern, David Sullivan, Ranko Tadic, Aaron Tankenson, Dann Tarmy, Bridget M. Taylor, Jacob Telleen, Cameron Thomas, Joel H. Thornton, Frederick Vega, Alexander Vegh, Larry Weiss, Vivian Wei, John Welborn, Mark Wendell, Trevor Wide, Eric Wilson, Jeremie Winslow, Kim Wiseman, Amy W. Wong, Jose Yapor, Teru Yoshida, Andrea Lackey Pace, Chris B. Schnitzer
Animación: Shad Bradbury, Michael Brunet, Igor Choromanski, Miguel A. Fuertes, Jorge Garcia, Kim Hazel, Louis Jones, Jeff Kim, Morgan Loomis, John Mariella, Jess Morris, Mike Safianoff, Danny Southard, Kishore Vijay
Casting: Arlene Kiyabu, Jennifer Weinstein
Vestuario: Jennifer Grossman
Departamento editorial: Ron San Agustin, Michael G. England, Ryan Hogan, Danya Joseph, George Mandl, Hailey Murray
Departamento musical: Brent Brooks, Julianne Jordan, Steve Juliani, Will Kaplan, Drew Silverstein, Andrew Skrabutenas, Kyle de Tarnowsky
Departamento de transportes: Terence Chase, Robert Gaskill, Manfred Rossdeutscher