Narrator / ... (226 episodes, 1997-2001)
Additional Vocals (голос)
MechaNick / Austin / Moose / PC Perkins / Spanner / Percy (голос)
Timothy (UK & US) (голос)
MechaNick / Austin / Moose / PC Perkins / Spanner / Percy (голос)
Timothy (UK & US) / The Deputy Minister (UK & US) / The Man with the Hat (US) (голос)
Timothy (UK & US) (голос)
MechaNick / Austin / Moose / The Great Ricardo Razzmatazz / Spanner / Percy (голос)
MechaNick / Austin / Moose / Spanner / Percy (голос)
Timothy (UK & US) / Reg (UK & US) (голос)
MechaNick / Moose / PC Perkins / Captain Speaking / Percy (голос)
Stingo / Mr. Carburettor (голос)
MechaNick / ... 6 episodes, 2003
Rickety (unknown episodes)
Mike (UK & US) / Oliver (UK & US) (голос)
MechaNick / Austin / Moose / Professor Aubrey Bollingbrooke / Spanner (голос)