Career
Trained at the Guildford School of Acting, Teale made his television debut in The Mimosa Boys in 1984. He later appeared in Knights of God (1989), Great Expectations (1989), and Boon (1990) before being cast as Will Scarlet in the 1991 television movie Robin Hood. He went on to appear in such series as Dangerfield, Ballykissangel, The Thin Blue Lincolnshire and the long-running Belonging, and later Spooks and Murphy"s Law.
In 2005, he played a lead role in Marian, Again, in which he was the abusive husband of Harrison"s eponymous character.
His film debut was in War Requiem in 1989. He later appeared as Lophakin in the 1999 adaptation of The Cherry Orchard, opposite Charlotte Rampling as Ranevskaya and Alan Bates as Gayev.
He played the infamous Nazi judge Roland Freisler in Conspiracy. In 2006 he appeared in the Torchwood episode "Countrycide".
In 1985, he had appeared in the Doctor Who serial Vengeance on Varos as "Maldak".
In 2006 he had a role in the Home Box Office United Kingdom television movie Tsunami: The Aftermath. In 2007, he guest-starred in the Doctor Who audio drama The Mind"s Eye. In the same year, he starred in The Last Legion.
In 2011, appeared as Ser Alliser Thorne in Game of Thrones, the Home Box Office television adaptation of George R. R. Martin"s novel series A Song of Ice and Fire, replacing at short notice Derek Halligan.
He reprised this role in Season 4 and Season 5, and will once again in Season 6. In 2012, he played Dai in the comedy-drama series Stella and Robert Holland, the fictional United Kingdom Foreign Secretary, in the drama series Kidnap and Ransom.
He also played as a PSupt in the British Broadcasting Corporation police drama Lincolnshire of Duty.