Martin
Arthur Seldom
Lorna
Beth
Inspector Petersen
Kalman
Yuri Podorov
Frank
Mrs. Eagleton
Scott
Mr. Higgins
Defense Lawyer
Doctor
Howard Green
Howard Green's Wife
Ludwig Wittgenstein
Mathematician 1
Mathematician 2
Newscaster
Security Guard
Shop Assistant
Soldier 1
Soldier 2
Policeman 1
Policeman 2
Percussionist
Conductor (uncredited)
Oxford Student (uncredited)
Professor Wilkes (uncredited)
Inspector (uncredited)
Student (uncredited)
Police Officer (uncredited)
Builder (uncredited)
Professor in Lecture (uncredited)
Orchestral extra (uncredited)
Argumentative Student (uncredited)