Christopher Cazenove

as Aristotle

as Professor Higgins

as Lord Peter

as Andrew Fontaine

as John Thatcher

as Jerome

as President of Clarion

as Melchoir

as Elliott Spencer

as Claire's Colleague

as Milo

as Palmer

as Edward

as William Root

as Rudolph Vyne

as Michael Bredon

as Jeff Green

as Joseph Mahoney

as Inspector McMyler

as Captain Preston

as Karl von Bayerling

as Raleigh

as Frank Daly

as Philip

as Athos • 2 eps

as DAC Row Colemore • 12 eps

as Thrask • 1 eps

as Rob Denton • 1 eps

as Nigel Poole • 1 eps

as Jonathan Ainsley • 2 eps

as Larry • 1 eps

as Michael Trent • 12 eps

as The Baron • 1 eps

as Capt. Preston • 4 eps

as Raleigh • 2 eps

as Jonathan Ainsley

as Frank Daly • 1 eps

1 eps

as Jack Trent • 1 eps

as Self • 1 eps

as Ben Carrington • 59 eps

as Tom • 1 eps

as Ronald True • 1 eps

as Self • 1 eps

as Peter Witter • 1 eps

as Charles Haslemere • 10 eps

2 eps

as Lord Lambeth • 1 eps