Pally joins a cast that includes Nina Dobrev, Vanessa Hudgens and "Stranger Things" actor Finn Wolfhard, according to The Hollywood Reporter.
The comedy follows a group of unwittingly interconnected people brought together by their dogs.
Pally will play Dax, a guitarist in a struggling cover band, who enjoys a carefree life until his sister goes into labour with twins and forces him to take care of her large and mischievous dog, Charlie.
Mickey Liddell will produce the project through his LD Entertainment banner, along with Jennifer Monroe and Pete Shilaimon.