Jeff Tracy / Lord Worden (voice)

Scott Tracy (voice)

Virgil Tracy (voice)

Alan Tracy / Lieutenant Jensen (voice)

Gordon Tracy / Parker / Brains / Kyrano / No. 2, Ocean Pioneer II / Collins (voice)

John Tracy / Captain Johnson / Sir Arthur / TV Reporter / Pioneer Base, Port London (voice)

Lady Penelope Creighton-Ward (voice)

Tin-Tin Kyrano (voice)