Isaac Sachs
Appears Chapter 3
Referenced Chapter 9
Relationships Old Rufus Sixsmith, co-worker
Luisa Rey, acquaintance
Isaac Sachs
Appears Luisa's Mystery
Actor Tom Hanks
Relationships Old Rufus Sixsmith, co-worker
Luisa Rey, acquaintance
Previous Life Hotel Manager
Next Life Dermot Hoggins

Isaac Sachs is a nuclear engineer working for Seaboard. He is featured in Half-Lives: The First Luisa Rey Mystery - which consists of chapters 3 and 9.


Isaac Sachs is first encountered by Luisa Rey in Rufus Sixsmith's office and later meets off the Seaboard property. Sachs has found a copy of Sixsmith's expose and plants it in Luisa's car for her to find. He is killed shortly thereafter in the airplane explosion that also kills Alberto Grimaldi and nine others.


"Belief, like fear or love, is a force to be understood as we understand the theory of relativity and principals of uncertainty. Phenomena that determine the course of our lives. "

Film portrayalEdit

In the film adaptation, Isaac Sachs is portrayed by actor Tom Hanks.

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