Guest Stars Adam Kurakin as Guard David Sibley as Pralix David Warwick as Kimus Bruce Purchase as Captain Andrew Robertson as Mr. Fibuli Primi Townsend as Mula Bernard Finch as Mentiad Rosalind Lloyd as Nurse John Cannon as Technician Vi Delmar as Queen Xanxia Uncredited Ray Knight as Mentiad Derek Suthern as Mentiad