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

Timothy Jerome
Academic

Lewis J. Stadlen
Moderator

Jeff Brooks
Reporter

Richard Woods
Suit

Daniel von Bargen
Secret Service Agent

Jack Koenig
First Reporter

Sol Frieder
Professor Loewenstein

Alice Drummond
Dinner Guest

Le Clanché du Rand
Dinner Guest

Greg Germann
Bill Riley (uncredited)