Marcelle

In the novel Three Act Tragedy, Marcelle is a model who works at Abrosine, Ltd, the Brook Street dress shop owned by Cynthia Dacres.

Portrayals
Marcelle is not featured in Murder in Three Acts (1986), although there are several models and salespersons working at the dress shop belonging to Cynthia Dayton (the name of the Cynthia Dacres character in this adaptation).

As forthe film adaptation of Three Act Tragedy in Series 12 of ITV's Agatha Christie's Poirot drama series, Marcelle does appear. She is the third model to appear during the viewing Mrs Dacres hosted for "Egg". However the actress who portrayed her is not credited.