William Mansell Hansen (March 2, 1911 – June 23, 1975) was an American actor, active in film, television and the stage.
A founding member of the Actors Studio in New York,[2] Hansen originated the role of Mr. Lundie in the original Broadway production of Brigadoon in 1947, and the role of Royal Addams in original Broadway production of The Member of the Wedding in 1950. He also appeared in the role of Secretary Swensen in Fail Safe, and as one of America's founding fathers, Caesar Rodney, in the film 1776.
Also [in Lewis' class were] Henry Barnard, Jay Barney, John Becher, Philip Bourneuf, Joan Chandler, Peter Cookson, Stephen Elliott, Robert Emhardt, Joy Geffen, William Hansen, Will Hare, Jane Hoffman, George Keane, Don Keefer, George Matthews, Peggy Meredith, Ty Perry, Margaret Phillips, David Pressman, William Prince, Elliot Reid, Frances Reid, Kurt Richards, Elizabeth Ross, Thelma Schnee, Joshua Shelley, Fed Stewart, John Straub, Michael Strong, John Sylvester, Julie Warren, Mary Welch, Lois Wheeler and William Woodson.