I remember her well in The Cowboys, but will have to watch McQ again to check out her role there.
In the meantime, here are some links -
http://www.northernstars.ca/actorsdef/dewhurstbio.html
http://www.ibdb.com/person.asp?ID=37984 (Internet Broadway Database)
http://www.nndb.com/people/675/000042549/
http://www.notstarring.com/actors/dewhurst-colleen
http://www.broadwayworld.com/tonyawardsper...leen%20Dewhurst
http://www.cinemorgue.com/colleendewhurst.html
Mrs. C 
