Ηθοποιοί επεισοδίου
Patrick McGoohanNumber Six
Peter SwanwickThe Supervisor
Victor MaddernBandmaster
Patrick CargillNumber Two
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Basil HoskinsNumber Fourteen
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Norman ScacePsychiatric Director
Derek AylwardNew Supervisor
Hilary DwyerNumber Seventy-Three
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Arthur GrossControl Room Operator
Victor WoolfShop Assistant
Michael SegalLaboratory Technician
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Margo AndrewShop Kiosk Girl
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Susan SheersCode Expert
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Jack CooperGuardian