Don Adams as Maxwell Smart

Sylvia Kristel as Agent 34

Rhonda Fleming as Edith Von Secondberg

Dana Elcar as Chief

Andrea Howard as Agent 22

Pamela Hensley as Agent 36

Norman Lloyd as Carruthers

Bill Dana as Jonathan Levinson Seigle

Vittorio Gassman as Sauvage / Nino Salvatori Sebastiani

Joey Forman as Agent 13

Robert Karvelas as Larrabee

Glynn Rubin as Tourist

Ross Reynolds as Helicopter Pilot

Edgy Lee as Model #3

Chere Rae as Tourist

Walter Brooke as American Ambassador

Thomas Hill as President

Richard Sanders as German Delegate

Nick Dimitri as KAOS #1

Bond Gideon as KAOS Guard

Bobby Porter as Mini-Max

Dick Warlock as KAOS on Plane

Ross Evans as Polish Delegate