James Caan

Jonathan E.

John Houseman

Bartholomew

Maud Adams

Ella

John Beck

Moonpie

Moses Gunn

Cletus

Pamela Hensley

Mackie

Barbara Trentham

Daphne

Shane Rimmer

Rusty, Team Executive

John Normington

Executive

Burt Kwouk

Japanese Doctor

Nancy Bleier

Girl in Library

Richard LeParmentier

Bartholomew's Aide

Robert Ito

Strategy Coach for Houston Team

Ralph Richardson

Librarian

Valli Kemp

Woman at Party (uncredited)