Characters in Sea of Tranquility

Gaspery-Jacques Roberts

A 2401 detective investigating an anomaly recurring across centuries.

Edwin St. Andrew

An exile in 1912 who experiences a strange temporal disturbance in the Canadian wilderness.

Olive Llewellyn

A novelist on a book tour as a real pandemic begins, echoing her own bestselling novel.

Mirella Kessler

A woman in 2020 New York who reconnects with a stranger while grieving her husband's death, and glimpses the same anomaly other characters experience across centuries.

Vincent

A character carried over from Mandel's The Glass Hotel who reappears in this novel's Caiette, Vancouver Island timeline and experiences the same temporal anomaly.

Paul Smith

A composer and Vincent's half-brother, also carried over from The Glass Hotel; his musical performance is one of the threads that ties the novel's timelines together.

Zoey Roberts

Gaspery's sister, a physicist at the Time Institute whose research into the simulation hypothesis sets the plot's investigation in motion.

Talia Anderson