Don Adams

as Inspector Gadget (Archive Footage)

as Maxwell Smart (archive footage)

as Self

as Brain (voice)

as Principal Hickey (voice)(3 eps)

as Principal Herbert Hickey (voice)(1 ep)

as Gadget Boy (voice)(26 eps)

as Maxwell Smart(7 eps)

as Inspector Gadget (voice)

as Maxwell Smart

as Don Adams(1 ep)

as (voice)(65 eps)

as Harbor Master

as Howard Bannister(66 eps)

as Self (archive footage)

as Inspector Gadget (voice)(86 eps)

as Harry Walker

as Self

as Self (archive footage)

as Narrator (voice)

as Maxwell Smart

as Lenny Camen(1 ep)

as William Robinson(1 ep)

as Sidney Williams(1 ep)

as Sam Corey(1 ep)

as Airport Announcer (voice)(1 ep)

as Donald Richardson

as Self

as Self(3 eps)

as The Old Cowhand / Host

as Self

as Don Adams (voice)(1 ep)

as Det. Lennie Crooke(20 eps)

as Self(1 ep)

as Self - Guest(1 ep)

as Maxwell Smart

as Maxwell Smart(138 eps)

as Self(1 ep)

as Self(35 eps)

as Self(2 eps)

as Self - Co-Host(4 eps)

as Self(1 ep)

as Self(1 ep)

as Self(2 eps)

as Self(8 eps)

as Self(8 eps)

as Self(3 eps)

as Self(3 eps)

as Self - Presenter(1 ep)