Don Adams as Maxwell Smart

Barbara Feldon as Agent 99

Bernie Kopell as Conrad Siegfried / Prof. Helmut Schmelding

Richard Gautier as Hymie

Robert Karvelas as Larrabee

King Moody as Shtarker

Harold Gould as Nicholas Dimente

John de Lancie as Maj. Waterhouse

Kenneth Mars as Cmdr. Drury

Steve Levitt as Beamish

David Ketchum as Agent 13

Danny Goldman as Dr. Denton

Roger Price as Hottentot

Rachelle Carson-Begley as Lisa

Lou Felder as President

Kate Stern as Dr. Godivar

Jim Antonio as Merriweather

Heather Morgan as Trudy