Peter Matty
Colin
Cpl. Piper Ian Fraser
The Monitor
David Lawford
Flight Lieutenant J. V. Hopgood, D.F.C.
Prince Alfonso
Kramenin
Flight Lt. Kenny
Richard Kenyon
Artillery Man (uncredited)
Lord Carfax
Peter Munroe
Lord Alfred Douglas
Roger
Christopher Trevenyan
Dr. Miles Grimsdyke
Leonard
Lt. Robert Finch
Richard Poole
Inquisitor
Armand
Função desconhecida
The Hon Douglas Wainwright
Lieutenant Commander 'Monty' Morgan
Dr. 'Peter' Crippen
Troilus
Dunning
Tom Giddings
Alasdair
Função desconhecida
Whittington
Dixon Druce
Colonel Stone
Função desconhecida
Alexander Hamilton
David Lawford
O'Keefe
The Monitor
