Lionel Marshall is a fictional character portrayed by Russell Tovey in the TV series Agatha Christie's Poirot.
In the first episode they appeared in, titled Evil Under the Sun (season 8), they were 21 years old.
They appear in 1 episodes out of a total of 70 aired
Episodes1
Evil Under the Sun
episode S8.E1 july 2003Poirot's rehabilitative health retreat on an island resort becomes an even more stimulating mental exercise when a flirtatious film star is found strangled on a nearby beach.