大卫·斯特雷泽恩
David Strathairn
饰：爱德华R·莫罗 Edward R. Murrow
派翠西娅·克拉克森
Patricia Clarkson
饰：雪莉 Shirley Wershba
杰夫·丹尼尔斯
Jeff Daniels
饰：Sig Mickelson
乔治·克鲁尼
George Clooney
饰：Fred Friendly
小罗伯特·唐尼
Robert Downey Jr.
饰：Joe Wershba
弗兰克·兰格拉
Frank langella
饰：William Paley
罗伯特·克耐普
Robert Knepper
饰：Don Surine
雷·怀斯
Ray Wise
饰：Don Hollenbeck
泰特·多诺万
Tate Donovan
饰：Jesse Zousmer
汤姆·麦卡锡
Thomas Joseph McCarthy
饰：Palmer Williams (as Tom McCarthy)
马特·罗斯
Matt Ross
饰：Eddie Scott
里德·戴蒙德
Reed Edward Diamond
饰：John Aaron
罗伯特·约翰·伯克
John Burke
饰：Charlie Mack
格兰特·赫斯洛夫
Grant Heslov
饰：Don Hewitt
艾利克斯·布诺斯汀
Alexandrea Borstein
饰：Natalie
罗斯·阿卜杜
Rose Abdoo
饰：Millie Lerner
格伦·莫肖尔
Glenn Morshower
饰：Colonel Anderson
唐·克里奇
Don Creech
饰：Colonel Jenkins
Helen Slayton-Hughes
Helen Slayton-Hughes
饰：Mary
JD·库鲁姆
JD Cullum
饰：Stage Manager
西蒙·赫尔伯格
Simon Maxwell Helberg
饰：CBS Page
彼得·雅各布森
Peter Jacobson
饰：Jimmy
Dianne Reeves
饰：Jazz Singer
罗伯特·肯尼迪
Robert F. Kennedy
饰：Himself (archive footage) (uncredited)
David Christian
David Christian
饰：Attorney (as David Paul Christian)
Joseph Dowd
Joseph Dowd
饰：Reporter (uncredited)
Joyce Lasley
Joyce Lasley
饰：Make-up Girl
约瑟夫·雷芒德·麦卡锡
Joseph McCarthy
饰：约瑟夫·麦卡锡 Himself (archive footage) (uncredited)
John L. McClellan
John L. McClellan
饰：Himself (archive footage) (uncredited)
Katharine Phillips Moser
Katharine Phillips Moser
饰：Jesse's Wife (uncredited)
Bruna Raynaud
Bruna Raynaud
饰：Sig Mickelson's Wife (uncredited)
约瑟夫·N·韦尔奇
Joseph N. Welch
饰：Himself (archive footage) (uncredited)
Peter Martin
饰：Pianist
Christoph Luty
Christoph Luty
饰：Bassist
Jeff Hamilton
Jeff Hamilton
饰：Drummer
Matt Catingub
Matt Catingub
饰：Saxophonist
John Kepley
John Kepley
饰：CBS Lawyer #1
Roy M. Cohn
Roy M. Cohn
饰：Himself (archive footage) (uncredited)
皮特·雅各布森
Peter Jacobsen
饰：Jimmy
比尔·布莱尔
Bill Blair
饰：TV Studio Crewman
Felix J. Boyle
Felix J. Boyle
饰：Prominant Chicagoan
Ray Donn
Ray Donn
饰：Reporter
Liberace
Liberace
饰：Himself
Alexana Thomas
Alexana Thomas
饰：Senator`s Wife