“- T.K. Law: You were shot. You need to be examined.
- Gabriel Law: You can do it.
- T.K. Law: Um, newsflash. I'm a vet. You're not a dog.”
Carla Gugino - T.K. Law
Jet Li - Gabriel Yulaw

“- Tommy Stubbins: How did you become a veteran?
- Dr. Dolittle: Stubbins, the word is veterinarian. To say, animal doctor, is just pretentious.”
William Dix - Tommy Stubbins
Rex Harrison - Dr. John Dolittle

“- Dr. Fish: I have to interpret why the dog is whining. He can't tell me.
- Lucky: What's to tell? There's a thermometer! It's in my butt!”
Jeffrey Tambor - Dr. Fish
Norm MacDonald - Lucky

“- Ella's Mother: Do you still believe that they understand you?
- Ella: Don't they, Mother?
- Ella's Mother: Oh yes. I believe that animals listen and speak to us if we only have the ear for it. That's how we learn to look after them.”
Hayley Atwell - Ella's Mother
Eloise Webb - Ella (10 years)

“- Egbert Sousé: Hello, Doc. How are ya? How's business?
- Dr. Stall: Fair, fair. I don't suppose we'll ever get another whooping cough epidemic again.”
W.C. Fields - Egbert Sousé
Harlan Briggs - Dr. Stall