Star Trek ( franchise ) The Star Trek franchise has made several references to the " Doctor Who " universe , and the two also share some behind - the - scenes commonalities . Overview . References to " Doctor Who " in " Star Trek " narratives . Other media . , owner of the " Star Trek " franchise , does not consider anything other than the live action " Star Trek " television series and films canon . Nevertheless , there are " licensed " comic and prose stories , and these have very occasionally referenced the DWU . Cast connections . Due to the two franchises being produced in different countries , shared cast members uncommon . Most of the connections between the two franchises have occurred as a result of the three productions with extensive North America n filming : the 1996 movie , TV : " The Impossible Astronaut " , and " " . Major " Star Trek " actors who appeared in these productions include Nana Visitor and John de Lancie , and companion Dr . Grace Holloway was also played by " Deep Space Nine " guest star Daphne Ashbrook . After appearing in TV : " The Long Game " as the Editor and narrating a series of " Doctor Who Confidential " , Simon Pegg also took over the role of from the 2009 film ' onwards . Noel Clarke also appeared alongside Pegg in the 2013 sequel ' . Other recognisable actors who have guest starred in both franchises include David Warner , Mark Sheppard , and Alan Dale . Finally , those such as " DS9 " stars Alexander Siddig and Chase Masterson crossed over into the DWU by virtue of voice acting work , typically for Big Finish Productions . In 2012 , Chase Masterson debuted the character of Vienna Salvatori in AUDIO : " The Shadow Heart " , with a spin - off audio series which followed in 2013 . This made Masterson the first actor to take a regular role in both a " Star Trek " and " Doctor Who " spin - off . Anthony Head has also read audiobooks for the " Star Trek " franchise . Crew connections . According to " The Nth Doctor " , in 1994 , , who played the original Mr . and directed two " Star Trek " feature films , was reportedly under consideration to direct one of the many aborted " Doctor Who " feature film projects under consideration during the 1989 - 96 interregnum . TV movie composer John Debney also composed scores for the ' episode " " and the ' episodes " " and " " . Tony Dow , who worked as visual effects producer for the TV movie , later directed the " Deep Space Nine " episode " " . " " writers Jane Espenson and John Shiban have also written episodes for " Deep Space Nine " and " " respectively . Other writers , such as Una McCormack , John Peel , Diane Duane and Keith R . A . DeCandido , have written for both franchises in other media . Crossovers , planned and actual . In April 2009 , Russell T Davies revealed in an interview that he had considered writing a " Doctor Who " episode that crossed over with " Star Trek : Enterprise " . In 2012 IDW Publishing published an official 8 - issue crossover series titled " Star Trek : The Next Generation / Doctor Who : Assimilation² " that featured the Eleventh Doctor and the Cybermen encountering the characters from " Star Trek : The Next Generation " , with one issue also featuring a flashback of the Fourth Doctor encountering characters from " Star Trek : The Original Series " . The first issue was released on 30 May 2012 .