William Hartnell and Richard Attenborough appeared in Brighton Rock.
Richard Attenborough and Ariana Richards appeared in Jurassic Park.
Ariana Richards and Kevin Bacon appeared in Tremors.
Patrick Troughton's Bacon number is 3
Patrick Troughton and Christopher Lee appeared in Scars of Dracula.
Christopher Lee and Rose Byrne appeared in Star Wars Episode II: Attack of the Clones.
Rose Byrne and Kevin Bacon appeared in X-Men: First Class.
Jon Pertwee's Bacon number is 3
Jon Pertwee and Richard Wilson appeared in Carry On Columbus.
Richard Wilson and James McAvoy appeared in Gnomeo and Juliet.
James McAvoy and Kevin Bacon appeared in X-Men: First Class.
Tom Baker's Bacon number is 2
Tom Baker and Bruce Payne appeared in Dungeons & Dragons.
Bruce Payne and Kevin Bacon appeared in Pyrates.
Peter Davison's Bacon number is 2
Peter Davison and Matthew Macfadyen appeared in Wuthering Heights.
Matthew Macfadyen and Kevin Bacon appeared in Frost/Nixon.
Colin Baker's Bacon number is 3
Colin Baker and Sylvester McCoy appeared in The Airzone Solution.
Sylvester McCoy and Frank Langella appeared in Dracula.
Frank Langella and Kevin Bacon appeared in Frost/Nixon.
Sylvester McCoy's Bacon number is 2
Sylvester McCoy and Frank Langella appeared in Dracula.
Frank Langella and Kevin Bacon appeared in Frost/Nixon.
Paul McGann's Bacon number is 2
Paul McGann and Stuart Townsend appeared in Queen of the Damned.
Stuart Townsend and Kevin Bacon appeared in Trapped.
Christopher Eccleston's Bacon number is 2
Christopher Eccleston and Rose Byrne appeared in G-Force.
Rose Byrne and Kevin Bacon appeared in X-Men: First Class.
David Tennant's Bacon number is 2
David Tennant and James McAvoy appeared in Bright Young Things.
James McAvoy and Kevin Bacon appeared in X-Men: First Class.
Matt Smith's Bacon number is 2
Matt Smith and Toby Jones appeared in Christopher and His Kind.
Toby Jones and Kevin Bacon appeared in Frost/Nixon.
Note that X-Men: First Class and Frost/Nixon both appear four times; and that Sylvester McCoy is Colin Baker's link to Bacon, via a BBV video from 1993!