Clifford's Puppy Days is an animated spinoff show of Clifford the Big Red Dog that aired between September 15, 2003 and February 23, 2006.
Cast
- Alan Oppenheimer - Mr. Solomon
- Cam Clarke - Mr. Howard
- Candi Milo - Gray Puppy (ep25), Hester (ep5), Nina's Mom
- Dionne Quan - Jenny
- Grey DeLisle - Emily Elizabeth
- Jess Harnell - Jorge, Mr. Digby (ep33), Mr. Sidarsky, Nina's Dad
- Jill Talley - Bebe, Mrs. Sidarsky
- Julie Vera - Nina's Grandmother (ep13)
- Kath Soucie - Daffodil, George (ep36)
- Kel Mitchell - Bill Mazer (ep18)
- Lara Jill Miller - Clifford
- LaTonya Holmes - Chereath (ep15), Flo, Marjorie Maxwell (ep21), Mrs. Parker, Vanessa
- Lauren Tom - Lucy Sidarsky, Shun
- Masiela Lusha - Nina
- Ogie Banks III - Zo
- Orlando Brown - Evan Taylor
- Phil LaMarr - Baker (ep24)
- Philip Hayes - Bobby (ep26)
- Russi Taylor - Mrs. Zablione, Tricksie
- Susan Blu - Lewis Sidarsky, Mrs. Solomon
- Tara Strong - Jack (ep29)
Also Starring
- Henry Winkler as Norville
Special Guests
- Allan Houston as Himself (ep24)
- Ken Burns as Himself (ep24)
- Lucy Liu as Mrs. Chen (ep23), Teacup (ep23)
- Remie Houston as Herself (ep24)
Additional Voices (Uncredited)
- Grey DeLisle - Basketball Player (ep38), Mrs. Howard
- Jess Harnell - Announcer (ep29), Basketball Player (ep38), Man Dressed as Napoleon (ep25)
- Lara Jill Miller - Basketball Player (ep38), Girl (ep36), Woman (ep23), Woman Dressed as Alien (ep25)
- Ogie Banks - Tennis Player (ep25)
- Tara Strong - Jack's Owner (ep29)