Donald Houston

as Boris

as Boris

as Acrisius

as Hilliard

as Commander Denning

as Dr. Glauner

as Dafydd

as Sam Patterson (segment "Mr. Tiger")

as Dr David Caulder

as Lockier

as Jan De Groot

as Fielding

as Robert

as John Burnham

as John Leeds

as Christiansen

as Richter

as Maelgan

as Dr. Francis

as Doctor Watson

as Tony Erickson

as Arthur Wellard

as Group Captain Don Barrett

as Lieutenant Jonathan Howett

as Major Tommy Ffrench

as Georges

as RAF Pilot

as Hydarnes

as John Rhodes

as John Canty

as Austin

as Edmund Bierce

as Narrator (Voice)

as Capt. Roger Byfold

as Charles Soames

as Dr. Sanderson

as Mr. Jacobus

as Dr. Alex Waring

as Lieutenant Weston

as Narrator (voice)

as John Deering

as Bill

as David

as John Millway

as George

as John

as Michael Mallard

as John Canty

as Taffy Evans

as Tony Warren

as Tom Penney

as Taffy

as Dr. Robert Armour

as John Bradley

as Phil

as David "Dai Number 9" Jones

as Michael Reynolds