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

Peter Ustinov
as Marcus Pendleton / Caesar Smith

Maggie Smith
as Patty Terwilliger Smith

Karl Malden
as Carlton J. Klemper

Bob Newhart
as Willard C. Gnatpole

Robert Morley
as Caesar Smith

Cesar Romero
as Customs Inspector

Elizabeth Counsell
as Miss Glyn

Margaret Courtenay
as Mrs. Hubbard

Lynda Baron
as Louise the Waitress

Sean Barry-Weske
as Hippie in Boutique