The Sarah Jane Adventures
Cast List: A
- Russ Abbot (cast in 2 episodes, e.g. Martin Trueman in Secrets of the Stars: Episode One)
- Mark Aiken (cast in 2 episodes, e.g. Serf in The Man Who Never Was: Episode One)
- Sophie Aldred (cast as Ace in Farewell, Sarah Jane)
- Daniel Anthony (cast in 55 episodes, e.g. Clyde Langer in Revenge of the Slitheen: Part Two)
- Mina Anwar (cast in 18 episodes, e.g. Gita Chandra in Enemy of the Bane: Episode One)
- Audrey Ardington (cast in 2 episodes, e.g. The Abbess in Eye of the Gorgon: Part One)
- Alexander Armstrong (cast in 54 episodes, e.g. Mr Smith in Invasion of the Bane)
- Sagar Arya (cast as News Anchor in Secrets of the Stars: Episode Two)
- Jane Asher (cast in 2 episodes, e.g. Andrea in Whatever Happened to Sarah Jane?: Part One)
- Ben Ashley (cast in 2 episodes, e.g. Shansheeth in Death of the Doctor: Episode Two)
- Jessica Ashworth (cast in 2 episodes, e.g. Sarah Jane Smith in Whatever Happened to Sarah Jane?: Part One)
- Holly Atkins (cast in 2 episodes, e.g. Heidi in The Lost Boy: Part One)