Danny Kaye as Walter Mitty

Virginia Mayo as Rosalind van Hoorn

Fay Bainter as Mrs. Mitty

Thurston Hall as Bruce Pierce

Ann Rutherford as Gertrude Griswold

Florence Bates as Mrs. Griswold

Gordon Jones as Tubby Wadsworth

Boris Karloff as Dr. Hugo Hollingshead

Konstantin Shayne as Peter van Hoorn

Henry Corden as Hendrick

Milton Parsons as Butler

Doris Lloyd as Mrs. Follinsbee

Fritz Feld as Anatole

Frank Reicher as Maasdam

Reginald Denny as Colonel

Eddie Acuff as Wells Fargo Cowboy (uncredited)

Robert Altman as Man Drinking (uncredited)

Billy Bletcher as Western Character (uncredited)

Betty Blythe as Floor Manager (uncredited)

Jack Gargan as Photographer (uncredited)

Karen X. Gaylord as Goldwyn Girl (uncredited)

Mary Gleason as Goldwyn Girl (uncredited)

Peter Gowland as R.A.F. Pilot (uncredited)

Georgia Lange as Goldwyn Girl (uncredited)

Chris-Pin Martin as Waiter (uncredited)

Frank McLure as Director (uncredited)

Frank Meredith as Cop (uncredited)

Martha Montgomery as Goldwyn Girl (uncredited)

Brick Sullivan as Cop (uncredited)

Charles Trowbridge as Dr. Renshaw (uncredited)

Irene Vernon as Goldwyn Girl (uncredited)

Lynn Walker as Goldwyn Girl (uncredited)

Charles C. Wilson as Police Desk Sergeant (uncredited)

Hank Worden as Western Character (uncredited)

Helen Jerome Eddy as Lingerie Saleswoman (uncredited)

Bess Flowers as Illustrator (uncredited)

Dorothy Granger as Wrong Mrs. Follinsbee (uncredited)

Sue Casey as

Dona Dax as Stenographer (uncredited)

Dick Earle as Director (uncredited)

Tom Ferrandini as Train Passenger (uncredited)

Raoul Freeman as Department Head (uncredited)

Rudy Germane as Bar Patron (uncredited)