I.Q.

Tim Robbins

Ed Walters

Meg Ryan

Catherine Boyd

Walter Matthau

Albert Einstein

Lou Jacobi

Kurt Gödel

Gene Saks

Boris Podolsky

Joseph Maher

Nathan Liebknecht

Stephen Fry

James Moreland

Tony Shalhoub

Bob Rosetti

Frank Whaley

Frank

Charles Durning

Louis Bamberger

Keene Curtis

Eisenhower

Alice Playten

Gretchen

Danny Zorn

Dennis

Helen Hanft

Rose

Roger Berlind

Duncan

Arthur Berwick

Academic

Timothy Jerome

Academic

John McDonough

Academic

Lewis J. Stadlen

Moderator

Jeff Brooks

Reporter

Rex Robbins

Suit

Richard Woods

Suit

Daniel von Bargen

Secret Service Agent

Jack Koenig

First Reporter

Sol Frieder

Professor Loewenstein

Michelle Naimo Bird

Nurse

Theodore Conant

Dinner Guest

Scotty Bloch

Dinner Guest

Chet Carlin

Dinner Guest

Alice Drummond

Dinner Guest

Leo Leyden

Dinner Guest

Le Clanché du Rand

Dinner Guest

Brook Berlind

Dinner Guest

Greg Germann

Bill Riley (uncredited)