The Sarah Jane Adventures
Cast List: B
- Catherine Bailey (cast as Miss Wyckham in Lost in Time: Episode Two)
- Imogen Bain (cast in 2 episodes, e.g. Janine in Revenge of the Slitheen: Part One)
- Elijah Baker (cast in 3 episodes, e.g. Steve Wallace in The Curse of Clyde Langer: Episode One)
- Gary Beadle (cast in 2 episodes, e.g. Paul Langer in The Mark of the Berserker: Episode One)
- Amber Beattie (cast in 2 episodes, e.g. Queen Jane Grey in Lost in Time: Episode One)
- James Bellamy (cast in 2 episodes, e.g. Brandon Butler in Warriors of Kudlak: Part One)
- Joanna Bending (cast as Linda in Secrets of the Stars: Episode Two)
- Floella Benjamin (cast in 5 episodes, e.g. Professor Rivers in The Eternity Trap: Episode One)
- Sophie Benjamin (cast as Gill in The Vault of Secrets: Episode One)
- Ace Bhatti (cast in 25 episodes, e.g. Haresh Chandra in The Man Who Never Was: Episode One)
- Perry Blanks (cast as Van Driver in The Vault of Secrets: Episode Two)
- Julian Bleach (cast in 2 episodes, e.g. The Nightmare Man in The Nightmare Man: Episode One)
- Callum Blue (cast in 2 episodes, e.g. Lord Marchwood in The Eternity Trap: Episode One)
- Tony Boncza (cast as Mr Scriven in The Eternity Trap: Episode Two)
- Samantha Bond (cast in 3 episodes, e.g. Mrs. Wormwood in Invasion of the Bane)
- Peter Bowles (cast in 2 episodes, e.g. Lionel Carson in The Man Who Never Was: Episode One)
- David Bradley (cast in 2 episodes, e.g. Shansheeth Blue in Death of the Doctor: Episode Two)
- Nicholas Briggs (cast in 2 episodes, e.g. Captain Tybo in Prisoner of the Judoon: Episode One)
- Gavin Brocker (cast in 2 episodes, e.g. Caleb in Sky: Episode One)
- Jem Brownlee (cast as Dave Finn in The Day of the Clown: Episode One)
- Edyta Budnik (cast in 2 episodes, e.g. Adriana in The Man Who Never Was: Episode One)
- Andrew Bullivant (cast as PC Ferguson in The Temptation of Sarah Jane Smith: Episode Two)