Thunderbirds: Brink of Disaster (1966)

Peter Dyneley

Jeff Tracy / Hugo (voice)

Shane Rimmer

Scott Tracy (voice)

David Holliday

Virgil Tracy (voice)

Matt Zimmerman

Alan Tracy / Doolan / Stan (Patrol 304) / Patrol Base (voice)

David Graham

Brains / Parker / Warren Grafton / Harry Malloy (voice)

Sylvia Anderson

Lady Penelope (voice)

Christine Finn

Tin-Tin (voice)

Ray Barrett

Selsden / 2nd Investor / Joe (Patrol 304) / Crook with Machine Gun (voice)