Trips: Past Tense) "Pluto" by Dale Smith (Short Trips: The Solar System) "Do You Dream in Colour" by Gary Russell (Short Trips: The Ghosts of Christmas) "The Slave War" by Una McCormack (Short Trips: The Quality of Leadership) Comics "The Tests of Trefus" by David Brian (Doctor Who Annual 1968) "World Without Night" by David Brian (Doctor Who Annual 1968) "Food for Thought" by Nicholas Briggs and Colin Andrew (Doctor Who Magazine 218–220) Audio stories Resistance (adventure related by Polly) The Three Companions (adventure related by Polly) The Forbidden Time (an adventure related by the characters Polly & Jamie) The Selachian Gambit (an adventure related by the characters Polly & Jamie) The House of Cards (an adventure related by the characters Polly & Jamie) In 2015, Elliot Chapman joined Big Finish in the role of Ben. He performed the role in a number of Companion Chronicles and Early Adventures until the end of 2019. References External links Ben Jackson on the BBC's Doctor Who website Doctor Who companions Fictional people from London Fictional sailors Male characters in television Television characters introduced in 1966 Fictional Royal Navy personnel simple:Doctor Who companions#Ben Jackson