Who Played John Williamson in Glengarry Glen Ross

John Williamson is a role in Glengarry Glen Ross, a play that opened Broadway in 2012.

Glengarry Glen Ross is a 1984 play written by David Mamet. The play shows parts of two days in the lives of four desperate Chicago real estate agents who are prepared to engage in any number of unethical, illegal acts from lies and flattery to bribery, threats, intimidation and burglary to sell undesirable real estate to unwitting prospective buyers.