Guest Stars Tim Faraday as Black Martin Andrew Brooke as Grunwald Ross O'Hennessy as Commander Quattone Nicholas Rowe as Cardinal Orsini Ted Allpress as Young Leonardo Celyn Jones as Fabrizio Stephen Marzella as Father Antonio Maffei Nicholas Asbury as Mario Tom Knight as Francesco Sean Jackson as Gualberto Sililo Victor Martens as Inca Pipe Player Robert Horwell as Captain António de Noli