Peter Boyle
Joseph McCarthy

John Forsythe
Paul Cunningham

Burgess Meredith
Joseph Welch

Patricia Neal
Margaret Chase Smith

Jean Stapleton
Mrs. DeCamp

Ned Beatty
Sylvester

Philip Abbott
Scott Lucas

Wallace Rooney
Speaker

Heather Menzies
Logan

Wesley Addy
Middleton

Karen Carlson
Jean Kerr

John Carradine
Wisconsin Farmer

Charles Cioffi
Logan's Boss

Diana Douglas
Sarah

Andrew Duggan
Dwight Eisenhower

Henry Jones
Armitage

Murray Matheson
Publisher

Allan Miller
Pete

Tim O'Connor
Librarian

Alan Oppenheimer
Eisenhower Publicist

Addison Powell
General George C. Marshall

Andrew Prine
Peter Parker McNair Gates

John Randolph
Gen. Lampkin

Allan Rich
Ray Jenkins

William Schallert
Gen. Zwicker

Simon Scott
Robert Ten Broeck Stevens

Robert F. Simon
Drew Pearson

George Wyner
Roy Cohn

Lin McCarthy
Sen. Stuart Symington

Kelly Jean Peters
Mrs. Sarah Gates

Robert Symonds
President Harry Truman

Charles Siebert
James Juliana

Sam Chew Jr.
Robert F. Kennedy

John Chappell
Sen. Karl Mundt

Herb Voland
Sen. Raymond Baldwin

Edward Anhalt
Sen. Herbert Lehman

Alan Hewitt
Dean Acheson

Howard Hesseman
Lt. Ted Cantwell

Jack Bannon
Eisenhower Aide

Charles Macaulay
Wm. Roberts

Morgan Upton
Clucas

Shirley O'Hara
Marie

George Petrie
Chas. Kraus