
Rock Dog (2016)
Trivia
The barber's name is Floyd, a possible nod to the Nirvana song Floyd the Barber, from the album "Bleach" which itself was a reference to The Andy Griffith Show (1960).
Sam Elliott's 2nd time collaborating with a Wilson Brother. He previously did so with Owen Wilson in the Live Action film Marmaduke (2010) where they both voiced dogs.
The second animated film where Eddie Izzard co-stars with a Wilson brother. The first was Cars 2 (2011) where Izzard voiced Miles Axlerod and Owen Wilson voiced Lightning McQueen.
J.K. Simmons' 3rd animated film to have anthropomorphic animals and no humans or non-anthropomorphic animals, after Kung Fu Panda 3 (2016) and Zootopia (2016).
This is Sam Elliott's fourth time voicing a character in a theatrical film after Barnyard (2006), Marmaduke (2010), and The Good Dinosaur (2015).
This is Lewis Black's second animated film, after Inside Out (2015) nearly two years prior.
Two of the stars had previously provided voices to a main character in the Avatar: The Last Airbender (2005) franchise. Mae Whitman, who does the voice of Darma, did the voice of Katara in Avatar: The Last Airbender (2005) and J.K. Simmons, who does the voice of Khampa, did the voice of Tenzin in its sequel series The Legend of Korra (2012).
Kenan Thompson's 4th time voice acting in a theatrically released film, after Space Chimps (2008), The Smurfs (2011) and The Smurfs 2 (2013).
Russell Brand and Ricky Gervais were considered for the role of Angus Scattergood.
Eddie Izzard's 5th fully animated film, after The Wild (2006), Bee Movie (2007), Igor (2008), and Cars 2 (2011).
Angus Scattergood is named after Angus Young from the band AC/DC.
Angus's robot assistant is named Ozzy after rockstar Ozzy Osbourne.