David Errigo Jr.

as Ferb Fletcher (voice)

as Ferb Fletcher (voice) (8 episodes)

as Additional Voices (voice)

as Ferb (voice) (7 episodes)

as Martin / Mark / Myles (voice) (1 episode), as Myles / Martin / Beefpuncha Brothers (voice) (1 episode)

as Leech / Radio (voice) (1 episode), as Mojo (voice) (1 episode), as Banshee / Leech (voice) (1 episode), as Gladiator / Royal Messenger (voice) (1 episode)

as Hamton J. Pig / Plucky Duck (voice) (23 episodes), as Nerdy Whale / Tommy Shark (voice) (1 episode), as Gustav Von Aardvarkberg (voice) (1 episode), as Chillest Cat (voice) (1 episode), as John Lee Dove (voice) (1 episode), as O'McCarthy (voice) (1 episode), as Bubba Bunny / Station Manager (voice) (1 episode), as Arnold the Pitbull (voice) (2 episodes), as Alistair (voice) (1 episode)

as Mr. Mxyzptlk (voice) (1 episode), as Mr. Mxyzptlk (1 episode)

as The Flash / Barry Allen (voice)

as Reporter Chad / EDF Tank Crew 2 (voice) (1 episode), as Starface (voice) (2 episodes)

as Young Vesemir / Young Remus (voice)

as Dudley (voice) (53 episodes)

as Madox (voice) (3 episodes), as Ernest / Prison Guard (voice) (1 episode), as Madox / Ernest (voice) (1 episode), as Madox / Major-Domo (voice) (1 episode), as Seneschal Ekur (voice) (1 episode), as Madox / Seneschal Ekur (voice) (1 episode)

as Root (voice) (1 episode)

as Forte Crescendo (voice) (1 episode)

as Ferb Fletcher (voice)

as Watson

as Paperboy

as Cubone (voice)

as Eric Harris

as Ferb (voice) (1 episode)

as Turkie

as Ferb Fletcher (voice) (40 episodes)