Cast
- Don Adams
- Maxwell Smart
- Barbara Feldon
- 99
- Bernie Kopell
- Conrad Siegfried / Prof. Helmut Schmelding
- Dick Gautier
- Hymie
- Robert Karvelas
- Larrabee
- King Moody
- Shtarker
- Harold Gould
- Nicholas Dimente
- Kenneth Mars
- Cmdr. Drury
- John de Lancie
- Maj. Waterhouse
- Steve Levitt
- Beamish
- David Ketchum
- Agent 13
- Danny Goldman
- Dr. Denton
- Roger Price
- Hottentot
- Rachelle Carson-Begley
- Lisa
- Lou Felder
- President
- Kate Stern
- Dr. Godivar
- Jim Antonio
- Merriweather
- Stacey Adams
- Meter Maid
- Cecily Adams
- Customer
- Fritz Feld
- Waiter
- Yvonne Farrow
- Undersecretary
- Willard E. Pugh
- Security operator
- Alan Spencer
- Customer
Art Department
- Bob Fox
- set designer
- Lucy Jensen
- key scenic
- David B. Long
- constructor (as David Long)
- Rudy Mercado
- scenic artist
- Douglas W. Randall
- construction foreman
- Ian Scheibel
- property master
- Karen Sorum
- scenic artist
- Donald D. Coleman
- prop maker (uncredited)