After university, he worked for three years as a financial analyst, specialising in French and Belgian equities at London stockbrokers Savory Milln and Swiss Bank Corporation (SBC).
His finals show, in which he appeared as the eponymous Charley's Aunt, was directed by Michael Fry, who gave him his first professional job with the Lincolnshire touring company Great Eastern Stage.
Lindsay has appeared in five plays at the Almeida Theatre, including as Lenny in Harold Pinter's The Homecoming with Ken Cranham and Danny Dyer in 2009 and as Moe Axelrod alongside Stockard Channing and Jodie Whittaker in Awake and Sing by Clifford Odets, for which he was nominated for Best Supporting Actor in the 2008 Whatsonstage Awards.
[5] Lindsay has appeared in many regular series, including: Unforgotten, Spooks, Silent Witness, Waking the Dead, Poirot, New Tricks and Inspector George Gently.
He played Odo Stevens in the 1997 Channel 4 adaptation of A Dance to the Music of Time; Ewan McGregor's boss Ron Baker in the film Rogue Trader; the Jewish terrorist Levi in Rome; and Lt Col Mervyn Gonin in the BAFTA nominated The Relief of Belsen.