Actors

Actor

Tin-Tin Kyrano (voice), Tin-Tin Kyrano,

Actor

John Tracy, , Jansen (voice), Atom Sub Reefer Captain / TV Reporter (voice), Dr. Orchard (voice), Colonel Harris / Colonel Benson (voice)

Peter Dyneley

Actor

Jeff Tracy,

Sylvia Anderson

Actor

Lady Penelope Clayton Ward,

Matt Zimmerman

Actor

Alan Tracy (voice), Banino / Macklin / Foreign Lieutenant (voice), , Hector McGill (voice), Press Officer / 2nd Reporter (voice), Lieutenant Jensen (voice), Franklin / Gutierrez (voice), Atom Sub Reefer Lieutenant (voice), TV Reporter (voice)

Shane Rimmer

Actor

Scott Tracy, , Reactor Control Assistant (voice)

David Graham

Actor

Gordon Tracy / Brains (voice),

David Holliday

Actor

Virgil Tracy (voice)

Paul Maxwell

Actor

Captain Paul Travers,

Alexander Davion

Actor

Space Captain Greg Martin

Jeremy Wilkin

Actor

John Tate

Actor

McColl / Security Guard (voice) (uncredited), Blackmer (voice) (uncredited), Frank Hooper / Sir Harry (voice) (uncredited), Various Characters (voice) (uncredited), Solarnaut Camp (voice) (uncredited), Maxie / Scheiler / Foreign Colonel (voice) (uncredited)

Charles Tingwell

Actor