Ingleby headed the cast of the 2008 three-part television crime drama "A Place of Execution" as DI George Bennett as he was in the 1960s determined to close the case of a missing girl. When not working in films and television, Ingleby remains active on the stage, where his credits include Puck in "Midsummer Night's Dream", Alexander in Nicholas Wright's "Cressida" and Katurian in Martin McDonagh's "The Pillowman". He performed in the play "Our Class" by Tadeusz Slobodzianek at the Cottesloe Theatre from September 2009 to January 2010 as Zygmunt.