Alastair Duncan
Alejandro Duncan
Alicia Duncan
Andrew Duncan
Angus Duncan
Ann Duncan
Archie Duncan
Arlene Duncan
Arletta Duncan
Barnie Duncan
Ben Duncan
Bob Duncan
Bud Duncan
Carmen Duncan
Charles Duncan
Christopher B. Duncan
Craig Duncan
Danielle Duncan
Danny Duncan
David Duncan
Delle Duncan
Eddie Duncan
Emma Duncan
Frank Duncan
Ian Duncan
Jean Duncan
Johnny Duncan
Jordan Duncan
Julie Duncan
Ken Duncan
Kenne Duncan
Kenneth Duncan
Kipng'eno Kirui Duncan
Kirk Duncan
Kitsie Duncan
Lanny Duncan
Lindsay Duncan
Lola Duncan
Mary Duncan
Michael Duncan
Michael Clarke Duncan
Michelle Duncan
Mike Duncan
Neil Duncan
Pamela Duncan
Paula Duncan
Peter Duncan
Pierre Duncan
Pretty Boy Duncan
Rachel Duncan
Robert Duncan
Rod Duncan
Rosetta Duncan
Sandy Duncan
T. E. Duncan
Taylor N. Duncan
Ted Duncan
Todd Duncan
Vernon S. Duncan
Vivian Duncan
William Duncan
Yvette Duncan
Sharon Duncan-Brewster
Eden Duncan-Smith
Herbert Duncanson
Duncan (Xzibit)
Duncan Bannatyne – Derek's friend
Duncan Kenworthy (uncredited)
Duncan Lamont — Webster
Duncan Parkin — Bruce Barton/The Cyclops
Duncan Regehr – Geoffrey Putter
Duncan Renaldo, Leo Carrillo
Jonathan Duncap
Martina Duncker
Dorothy Dunckley