Series Cast 13

1. 

   Doc Hammer

   Dr. Girlfriend / Henchman 21 (voice) (13 Episodes)

2. 

   Christopher McCulloch

   Hank Venture / The Monarch (voice) (13 Episodes)

3. 

   Patrick Warburton

   Brock Samson (voice) (13 Episodes)

4. 

   James Urbaniak

   Dr. Venture (voice) (13 Episodes)

5. 

   Michael Sinterniklaas

   Dean Venture (voice) (13 Episodes)

6. 

   Steven Rattazzi

   Dr. Orpheus (voice) (9 Episodes)

7. 

   Brendon Small

   Jonny Quest (voice) (1 Episode), Swifty / Hector / Crime-o-dile Henchman / White Noise (voice) (1 Episode), Agent Hauser (voice) (1 Episode), Sgt. Hatred (voice) (1 Episode), Plastic Surgeon (voice) (1 Episode), Resistance 1 (voice) (1 Episode)

8. 

   Lisa Hammer

   Princess Tinglepants (voice) (1 Episode), Triana Orpheus (voice) (5 Episodes)

9. 

   Paul Boocock

   Dr. Jonas Venture (voice) (2 Episodes), Tigerriffic / Therapist / Prison Guard 2 (voice) (1 Episode), Sonny / Interpreter / Little Jorgé (voice) (1 Episode)

10. 

    H. Jon Benjamin

    The Master (voice) (2 Episodes)

11. 

    Dana Snyder

    The Alchemist (voice) (1 Episode), President Breyer (voice) (1 Episode)

12. 

    Stephen Colbert

    Professor Impossible (voice) (1 Episode)

13. 

    Charles Parnell

    Jefferson Twilight (voice) (1 Episode)

Series Crew 7