With David Tennant and Matt Smith interacting onscreen for the first time in Doctor Who‘s 50th anniversary special, we’ve taken a look back at some of the times when other Doctor Who cast members have appeared together…
David Tennant (the Tenth Doctor) and Arthur Darvill (Rory Williams) in Broadchurch

Billie Piper (Rose Tyler) and Matt Smith (the Eleventh Doctor) in The Ruby in the Smoke

Peter Davison (the Fifth Doctor) and Freema Agyeman (Martha Jones) in Law & Order: UK

Peter Capaldi (the Twelfth Doctor) and David Tennant (the Tenth Doctor) in Doctor Who

Alex Kingston (River Song) and Sydney Wade (young Melody Pond) in Marchlands

David Tennant (the Tenth Doctor) and David Morrissey (Jackson Lake) in Blackpool

Alex Kingston (River Song) and John Barrowman (Captin Jack) in Arrow

David Tennant (the Tenth Doctor) and Catherine Tate (Donna Noble) in The Catherine Tate Show

Matt Smith (the Eleventh Doctor) and Lindsay Duncan (Adelaide Brooke) in Christopher and His Kind

Jessica Hynes (Joan Redfern) and David Tennant (the Tenth Doctor) in Learners

Billie Piper (Rose Tyler) and Matt Smith (the Eleventh Doctor) in Secret Diary of a Call Girl

David Tennant (the Tenth Doctor) and Suranne Jones (Idris) in Single Father

> Take a look at more Doctor Who cast cross-overs.
Which Doctor Who stars would you like to see act together? Let us know below…