Jeff Tracy (voice)

Scott Tracy (voice)

Virgil Tracy (voice)

Virgil Tracy / Cravitz (voice)

Alan Tracy / Ned Cook (voice)

Brains / Gordon Tracy / Aloysius Parker / Kyrano / Joe / Clayton / 2nd Site Control Policeman (voice)

Lady Penelope (voice)

Tin-Tin Kyrano (voice)

John Tracy / U.S.N. Sentinel Commander / Compère / 1st Site Control Policeman (voice)

Frank Hooper / Sir Harry (voice)