The following people are credited as replacements or additions if they were not credited on opening night.

Stage Manager: Charles Gray; Assistant Stage Mgr: John Holzman.

Roderick Cook	Fr. William Rolfe	(Jun 30, 1969-Jul 13, 1969)
Dan Drake	Ensemble
John Hallow	Bailiff
	Dr. Talacryn Bishop of Caerleon
Colin Hamilton	Father St. Albans Prepositor-General of the Jesuits
Dan Hogan	Papal Chamberlain
Alec McCowen	Fr. William Rolfe	(Jul 14, 1969-Sep 7, 1969)
James McDonald	Ensemble
Barry Morse	Fr. William Rolfe	(Sep 8, 1969-Nov 15, 1969)
Dean Santoro	Ensemble

Understudies: Dan Hogan (Dr. Talacryn, Father St. Albans), John Holzman (Ensemble), Dean Santoro (George Arthur Rose).