Suggestion: "M*A*S*H" Guest Stars Early in Their Careers

In its 11 year run, M*A*S*H employed many future stars as soldiers, doctors and nurses, some in their very first credited roles. 

Which of these actors has changed the most over time? 

Ned Beatty 
Ed Begley Jr. 
Xander Berkeley 
Rosalind Chao 
Andrew Dice Clay 
Barry Corbin 
James Cromwell 
Blythe Danner 
Brian Dennehy 
Laurence Fishburne 
Teri Garr 
Mariette Hartley 
Edward Herrmann 
Ron Howard 
Alex Karras 
Bruno Kirby 
Shelley Long 
Richard Masur 
Joe Morton 
Michael O'Keefe 
Joe Pantoliano 
Mary Kay Place 
John Ritter 
Patrick Swayze 
Jeffrey Tambor 
Joan Van Ark 
George Wendt 
Larry Wilcox 
Rita Wilson 
Burt Young 

List: http://www.imdb.com/list/ls063275367