|Occupation:||Topside/Dyad executive (formerly)|
|Family:||Charlotte Bowles (adoptive daughter)|
|Portrayed by:||Michelle Forbes|
|First appearance:||"Knowledge of Causes, and Secret Motion of Things"|
|Latest appearance:||"By Means Which Have Never Yet Been Tried"|
Marion, as revealed in By Means Which Have Never Yet Been Tried, adopted 8-year-old Charlotte Bowles, the only success out of 400 failed attempts by Dyad to recreate a clone 20 years after the success of Project Leda, and has since raised her as an adopted daughter. At the same time, Rudy, a Project Castor clone, is being imprisoned inside Marion's home.
It is unknown if Marion Bowles is alive as her daughter, Charlotte, is in the hands of Neolution and Susan Duncan.
|Season 2 appearances|
|Nature Under Constraint and Vexed||Governed by Sound Reason and True Religion||Mingling Its Own Nature With It||Governed As It Were By Chance||Ipsa Scientia Potestas Est|
|To Hound Nature in Her Wanderings||Knowledge of Causes, and Secret Motion of Things||Variable and Full of Perturbation||Things Which Have Never Yet Been Done||By Means Which Have Never Yet Been Tried|