Christopher Walken
Michael Brace
Louise Fletcher
Lillian Reynolds
Cliff Robertson
Alex Terson
Jordan Christopher
Gordy Forbes
Donald Hotton
Landan Marks
Darrell Larson
Security Technician
John Hugh
Animal Lab Technician
Ira David Wood III
Barry (as David Wood)
Keith Colbert
Dr. Ted Harris
Jerry Bennett
Dr. Janet Bock
Mary Fran Lyman
Realtor (as Mary-Fran Lyman)
Jack Harmon
Security Guard
Nina Axelrod
Simulator Technician
Lana Clarkson
Food Fantasy Girl (uncredited)