The Man in the Gray Flannel Suit

Gregory Peck

Tom Rath

Jennifer Jones

Betsy Rath

Fredric March

Ralph Hopkins

Marisa Pavan

Maria Montagne

Lee J. Cobb

Judge Bernstein

Ann Harding

Helen Hopkins

Keenan Wynn

Sgt. Caesar Gardella

Gene Lockhart

Bill Hawthorne

Gigi Perreau

Susan Hopkins

Portland Mason

Janey Rath

Arthur O'Connell

Gordon Walker

Henry Daniell

Bill Ogden

Connie Gilchrist

Mrs. Manter

Joseph Sweeney

Edward M. Schultz

Sandy Descher

Barbara Rath

Mickey Maga

Pete Rath

Dorothy Adams

Mrs. Hopkins' Maid (uncredited)

Leon Alton

Cliff Otis (uncredited)

Mary Benoit

Secretary (uncredited)

Robert Boon

German Soldier (uncredited)

Neville Brand

Soldier (uncredited)

Jim Brandt

German Soldier (uncredited)

John Breen

Waiter (uncredited)

Kenneth Brischof

Paratrooper (uncredited)

George Bruggeman

Elevator Passenger (uncredited)

Alfred Caiazza

Italian Boy (uncredited)

Alexander Campbell

Walter Johnson (uncredited)

Harry Carter

UBC Elevator Starter (uncredited)

Ruth Clifford

Florence (uncredited)

Johnny Crawford

Italian Boy with Groceries (uncredited)

Paul Cristo

Business Executive (uncredited)

Barbara Drake

Passenger (uncredited)

George Ford

Elevator Passenger (uncredited)

Robert Fuller

Young Soldier with Sergeant (uncredited)

Roy Glenn

Sgt. Matthews (uncredited)

Phyllis Graffeo

Gina Gardella (uncredited)

Joy Harmon

Undetermined Secondary Role (uncredited)

Clark Howat

Soldier (uncredited)

William Hudson

Paratrooper (uncredited)

Michael Jeffers

Alfred J. Sims (uncredited)

DeForest Kelley

Medic (uncredited)

Harry Lauter

Army Corporal on Leave (uncredited)

King Lockwood

Business Executive (uncredited)

Nan Martin

Polly Lawrence (uncredited)

Jack Mather

Police Sgt. Haggerty (uncredited)

Dorothy Phillips

Mr. Hopkins' Maid (uncredited)

William Phipps

Army Sergeant (uncredited)

Otto Reichow

German Soldier (uncredited)

Gene Reynolds

Soldier (uncredited)

Mario Siletti

Carriage Driver (uncredited)

Lomax Study

Elevator-Starter (uncredited)

Bob Taylor

Paratrooper (uncredited)

Kenneth Tobey

Lt. Hank Mahoney (uncredited)

Renata Vanni

Italian Farmer's Wife (uncredited)

Langdon A. Viracola

Paratrooper (uncredited)

Geraldine Wall

Miriam - Bernstein's Secretary (uncredited)

Guy Way

Parachutist (uncredited)

Frank Wilcox

Hopkins' Physician (uncredited)

Raymond Winston

Italian Boy (uncredited)