Pauline Winter
CharladyAnthony Blackshaw
EdwardsBarry Raymond
GrayDavid Glover
Chilcott-OakesPeter Ashmore
Sir RobertMike Murray
Raid InspectorCharles Rea
TaylorRic Hutton
Records OfficerRichard Burrell
OperatorZsolt Vadaszffy
Prison DoctorJosef Behrmann
Prison GuardPaul S. Chapman
Prison GuardRichard Beale
Security Clerk (uncredited)Victor Charrington
Security Guard (uncredited)Michael Collins
R.S.M. (uncredited)Peter Evans
Scientist (uncredited)Victor Harrington
Audience Member at Symposium (uncredited)Pat Judge
Bluejay's Minder (uncredited)Richard Neller
Scientist (uncredited)David Saire
Technician (uncredited)Jack Sharp
Security Guard (uncredited)George Spence
Scientist (uncredited)William F. Sully
Bluejay's Minder (uncredited)Harry Tierney
Scientist (uncredited)Maggie Wright
Dalby's Staff (uncredited)