David Strathairn
Edward R. Murrow
Patricia Clarkson
Shirley Wershba
George Clooney
Fred Friendly
Jeff Daniels
Sig Mickelson
Robert Downey Jr.
Joe Wershba
Frank Langella
William Paley
Ray Wise
Don Hollenbeck
Robert John Burke
Charlie Mack
Reed Diamond
John Aaron
Tate Donovan
Jesse Zousmer
Grant Heslov
Don Hewitt
Tom McCarthy
Palmer Williams
Matt Ross
Eddie Scott
Rose Abdoo
Mili Lerner
Alex Borstein
Natalie
Peter Jacobson
Jimmy
Robert Knepper
Don Surine
Dianne Reeves
Jazz Singer
Peter Martin
Pianist
Christoph Luty
Bassist
Jeff Hamilton
Drummer
Matt Catingub
Saxophonist
Glenn Morshower
Colonel Anderson
Don Creech
Colonel Jenkins
Helen Slayton-Hughes
Mary
Simon Helberg
CBS Page
JD Cullum
Stage Manager
John Kepley
CBS Lawyer #1
David Paul Christian
CBS Lawyer #2
Joyce Lasley
Make-Up Girl
Bill Blair
TV Studio Crewman (uncredited)
Joseph Dowd
Reporter (uncredited)
Bruna Matsin
Sig Mickelson's Wife (uncredited)
Katharine Phillips Moser
Jesse's Wife (uncredited)
Alexana Thomas
Senator's Wife (uncredited)
Dave Thompson
News Photographer (uncredited)
Rochelle Warner
Speech Wife (uncredited)
Roy Cohn
Self (archive footage) (uncredited)
Dwight D. Eisenhower
Self (archive footage) (uncredited)
Robert F. Kennedy
Self (archive footage) (uncredited)
Liberace
Self (archive footage) (uncredited)
Joseph McCarthy
Self (archive footage) (uncredited)
John L. McClellan
Self (archive footage) (uncredited)
Milo Radulovich
Self (archive footage) (uncredited)
Joseph N. Welch
Self (archive footage) (uncredited)