“Max bonded so closely with Kyle, he can't work with anyone else. ... Are you sure you want to do this?”

Jay Hernandez - Sergeant Reyes

“- Neil Clarke: I don't think I like your conversation!
- Dennis: But I worship you, master! I love you so much! I can't bear displeasing you! My whole world collapses when you're cross with me!”
Simon Pegg - Neil
Mojo - Dennis the Dog

“You know how we're always saying what a pain you are, you're the world's worst dog, don't believe it, don't believe it for one minute because you know we couldn't find a better dog, I love you, more than anything, you're a great dog, I love you.”

Owen Wilson - John

“- Joseph: We haven't lost a person. We lost a dog.
- Beth: Love is love. It doesn't matter if it's a dog.”
Kevin Kline - Joseph
Diane Keaton - Beth

“You see a dog. I see an animal that believes with every fiber of his being that the girl he loves is in mortal danger. I see a depth of emotion on the face of that canine the likes of which has never been captured on screen before.”

James Lipton - The Director