John (voice) (1 episode)

Announcer (1 episode)

Mr. Del Rio (voice)

Mel (voice)

Major Wheeler (voice)

Major Wheeler (voice)

Duke (voice)

(13 episodes)

Duke (voice)

(voice) (9 episodes)

Major Wheeler (voice)

Agent X (voice) (2 episodes)

Honest Weasel (voice)

John Jameson (voice) (13 episodes)

Dr. John Watson (voice) (26 episodes)

Buddy Winters (1 episode)

George

Escher (voice) (26 episodes)

Guard (1 episode)

Jerald Glazebrook (1 episode)

Alec DeLeon / Sean Napier (voice) (52 episodes)

Buffalo Hunter (1 episode)

Dave Edwards (1 episode)

Eastland (1 episode)

Additional voices (voice)

Alex (1 episode)

Mr. Jerome

(96 episodes)