Russell Dixon

as Astrovo

as Malcolm Kent

as Dr. Quinton

as Justice Fenton Atkinson

as Father Ryan

as Hector Cowley

as Harold Satterwaite

as Harris' Cousin

as Thomas Monsoon

as Hotel Receptionist

as John Davidson

as Guthrie

as Supt John Butler

as Dr Kenyon

as Customs Officer

as Ridgley

as Television Reporter

as Dr. Henry Grace