A con artist gains employment at an insurance company in order to embezzle money by re-programming their "new" wonder computer.

Peter Ustinovas Marcus Pendleton / Caesar Smith
Maggie Smithas Patty Terwilliger Smith
Karl Maldenas Carlton J. Klemper
Bob Newhartas Willard C. Gnatpole
Robert Morleyas Caesar Smith
Cesar Romeroas Customs Inspector
Elizabeth Counsellas Miss Glyn (uncredited)
Margaret Courtenayas Mrs. Hubbard
Lynda Baronas Louise the Waitress