Distribution principale
Peter Dyneley
Jeff Tracy / Lord Worden (voice)
Shane Rimmer
Scott Tracy (voice)
David Holliday
Virgil Tracy (voice)
Matt Zimmerman
Alan Tracy / Lieutenant Jensen (voice)
David Graham
Gordon Tracy / Parker / Brains / Kyrano / No. 2, Ocean Pioneer II / Collins (voice)
Ray Barrett
John Tracy / Captain Johnson / Sir Arthur / TV Reporter / Pioneer Base, Port London (voice)
Sylvia Anderson
Lady Penelope Creighton-Ward (voice)
Christine Finn
Tin-Tin Kyrano (voice)
