Ronald G. "Ron" Cook (born late 1948) is an English actor who has been active in the theatre, film and television since the 1970s. He was born in South Shields, County Durham,England, and is a graduate of Rose Bruford College. Ron moved to Coventry with his family when he was six. The son of a school cook and a car worker, he went to Wyken Croft Junior School and then Caludon Castle School.
On stage, he appeared in the original 1988 production of Timberlake Wertenbaker's play Our Country's Good. He was nominated for a Laurence Olivier Award in the category of Best Supporting Actor in 2000 for his role in Juno and the Paycock at the Donmar Warehouse. He also appeared in a new play by Conor McPherson, The Seafarer, at the Royal National Theatre. In 2008-2009, he took part in the Donmar's West End season at Wyndham's Theatre, playing Sir Toby Belch in Twelfth Night and Polonius in Hamlet. In 2011, he played The Fool in King Lear starring Derek Jacobi at the Donmar and on an 8-week tour. In 2013, Cook played the part of Pistol in Michael Grandage's Henry V (with Jude Law in the title role). From November 2015 to February 2016 he played Max in The Homecoming at Trafalgar Studios and later appeared at the Donmar Warehouse as Teddy in Brian Friel's Faith Healer to great critical acclaim from June to August 2016. From November 2016, Cook will appear in Lucy Kirkwood's new play The Children at The Royal Court Theatre alongside Francesca Annis and Deborah Findlay.