Allyn Ann McLerie
Carolyn Abbott

Dustin Hoffman
Carl Bernstein

Hal Holbrook
Deep Throat

Jack Warden
Harry M. Rosenfeld

Jane Alexander
Judy Hoback, comptable

Jason Robards
Ben Bradlee

Jaye Stewart
Libraire

Jess Osuna
Joe, agent du FBI

John McMartin
Scott, rédacteur

Lindsay Crouse
Kay Eddy

Martin Balsam
Howard Simons

Meredith Baxter
Debbie Sloan

Ned Beatty
Martin Dardis

Neva Patterson
Angry CRP Woman

Nicolas Coster
Markham

Penny Fuller
Sally Aiken

Polly Holliday
Secrétaire de Dardis

Robert Redford
Bob Woodward

Robert Walden
Donald H. Segretti

Stephen Collins
Hugh W. Sloan, Jr.

Valerie Curtin
Betty Milland