Michael James Ford

as Lawrence Langner

as Jeffers

as Archie

as Nigel

as Crouch

as Dr.Devlin

as Michael Gibney

as Port Official

as Noble 2 (1 episode)

as Range Master (1 episode)

as Mr. Lefroy

as Black and Tan

as Captain Davenport

as Lieutenant Williams

as Policeman #2

as Gissing's Driver