Louis C.K. as Max, a Jack Russell Terrier. Eric Stonestreet as Duke, a large, brown, shaggy mongrel. Kevin Hart as Snowball, a white rabbit. Jenny Slate as Gidget, a white Pomeranian and Max 's love interest. Ellie Kemper as Katie, Max and Duke 's friendly owner. Lake Bell as Chloe, an obese and apathetic grey tabby cat who is one of Max 's friends. Dana Carvey as Pops, an elderly Basset Hound who is paralyzed in his back legs. Hannibal Buress as Buddy, a laid - back dachshund and one of Max 's friends. Bobby Moynihan as Mel, a hyperactive pug and one of Max 's friends. Steve Coogan as Ozone, a Cockney - accented Sphynx cat. Coogan also voices Reginald, a malevolent Himalayan cat. Albert Brooks as Tiberius, a curmudgeonly red - tailed hawk. Chris Renaud as Norman, a guinea pig who keeps getting lost trying to find his apartment. Michael Beattie as Tattoo, a slow - witted tattooed pig who is one of the Flushed Pets. Sandra Echeverría as Maria, a character from the La Pasión de la Pasión telenovela that Gidget watches. Jaime Camil as Fernando, a character from the La Pasión de la Pasión telenovela that Gidget watches. Kiely Renaud as Molly, a little girl who adopts Snowball.
who plays the small white dog in secret life of pets
Jenny Slate