James Stewart 
 as George Bailey

Donna Reed 
 as Mary Hatch

Lionel Barrymore 
 as Mr. Potter

Thomas Mitchell 
 as Uncle Billy

Henry Travers 
 as Clarence

Beulah Bondi 
 as Mrs. Bailey

Frank Faylen 
 as Ernie

Ward Bond 
 as Bert

Gloria Grahame 
 as Violet

H.B. Warner 
 as Mr. Gower

Frank Albertson 
 as Sam Wainwright

Todd Karns 
 as Harry Bailey

Samuel S. Hinds 
 as Pa Bailey

Mary Treen 
 as Cousin Tilly

Virginia Patton 
 as Ruth Dakin

Charles Williams 
 as Cousin Eustace

Sarah Edwards 
 as Mrs. Hatch

William Edmunds 
 as Mr. Martini

Lillian Randolph 
 as Annie

Argentina Brunetti 
 as Mrs. Martini

Robert J. Anderson 
 as Little George

Ronnie Ralph 
 as Little Sam

Jeanne Gail 
 as Little Mary

Jeanine Ann Roose 
 as Little Violet

Danny Mummert 
 as Little Marty Hatch

Georgie Nokes 
 as Little Harry Bailey

Sheldon Leonard 
 as Nick

Frank Hagney 
 as Potter's Bodyguard

Ray Walker 
 as Joe (Luggage Shop)

Charles Lane 
 as Real Estate Salesman

Edward Keane 
 as Tom (Bldg. & Loan)

Carol Coombs 
 as The Bailey Child - Janie

Karolyn Grimes 
 as The Bailey Child - Zuzu

Larry Simms 
 as The Bailey Child - Pete

Jimmy Hawkins 
 as The Bailey Child - Tommy

Jean Acker 
 as Townswoman (uncredited)

Ernie Adams 
 as Ed (uncredited)

Monya Andre 
 as Elderly Woman (uncredited)

Stanley Andrews 
 as Mr. Welch (uncredited)

Sam Ash 
 as Nervous Banker (uncredited)

Jack Bailey 
 as One of Vi's Suitors (uncredited)

Louise Bates 
 as Building & Loan Depositor (uncredited)

Mary Bayless 
 as Townswoman (uncredited)

Beth Belden 
 as Young Girl (uncredited)

Brooks Benedict 
 as Military Officer in Montage (uncredited)

Joseph E. Bernard 
 as Townsman (uncredited)

Al Bridge 
 as Sheriff (uncredited)

Buz Buckley 
 as Young Boy (uncredited)

Marian Carr 
 as Jane Wainwright (uncredited)

Adriana Caselotti 
 as Singer at Martini's (uncredited)

Lane Chandler 
 as Policeman (uncredited)

Michael Chapin 
 as Young George's Friend (uncredited)

Tom Chatterton 
 as Townsman (uncredited)

Jack Cheatham 
 as Cop Arresting Violet (uncredited)

Harry Cheshire 
 as Dr. Campbell (uncredited)

Edward Clark 
 as Building & Loan Board Member (uncredited)

Tom Coleman 
 as Building & Loan Customer (uncredited)

Ellen Corby 
 as Ms. Davis (uncredited)

Bryn Davis 
 as Elderly Woman (uncredited)

Lew Davis 
 as High School Teacher at Poolside (uncredited)

Harry Denny 
 as (uncredited)

Helen Dickson 
 as Woman at Graduation Dance (uncredited)

Dick Elliott 
 as Man on Porch (uncredited)

Tom Fadden 
 as Tollhouse Keeper (uncredited)

Frank Fenton 
 as Violet's Boyfriend (uncredited)

Eddie Fetherston 
 as Horace (uncredited)

Sam Flint 
 as Relieved Banker in Potter's Office (uncredited)

Lee Frederick 
 as (uncredited)

Dick Gordon 
 as Photographer with Sheriff (uncredited)

Jack Gordon 
 as Bar Patron (uncredited)

Herschel Graham 
 as Townsman (uncredited)

Joseph Granby 
 as Elderly Man (voice) (uncredited)

Charles Halton 
 as Carter (uncredited)

Carl Eric Hansen 
 as (uncredited)

Herbert Heywood 
 as Building & Loan Depositor (uncredited)

Harry Holman 
 as Mr. Partridge (uncredited)

Art Howard 
 as Building & Loan Board Member (uncredited)

Bert Howard 
 as Building & Loan Board Member (uncredited)

Arthur Stuart Hull 
 as Mr. Randall (uncredited)

John Indrisano 
 as Man in Fantasy (uncredited)

Eddie Kane 
 as Building & Loan Depositor (uncredited)

Carl Kent 
 as Townsman (uncredited)

Milton Kibbee 
 as Building & Loan Board Member (uncredited)

Effie Laird 
 as Townswoman (uncredited)

Mike Lally 
 as Building & Loan Customer (uncredited)

Harold Landon 
 as Marty Hatch (uncredited)

Meade 'Lux' Lewis 
 as Pianist in Nick's Place (uncredited)

Jack Lomas 
 as Bar Patron (uncredited)

J. Farrell MacDonald 
 as Man Whose Grandfather Planted Tree (uncredited)

Irene Mack 
 as Townswoman (uncredited)

Wilbur Mack 
 as Building & Loan Customer (uncredited)

Charles Meakin 
 as Elderly Man (uncredited)

Priscilla Montgomery 
 as Student in Gym (uncredited)

Bert Moorhouse 
 as Man with Sheriff (uncredited)

Evelyn Moriarty 
 as Bar Patron (uncredited)

Philip Morris 
 as Building & Loan Customer (uncredited)

George Noisom 
 as School Dancer (uncredited)

Bob O'Connor 
 as Bar Patron (uncredited)

Frank O'Connor 
 as Military Officer in Montage (uncredited)

Lynn O'Leary-Jameson 
 as Infant Janie Bailey (uncredited)

Moroni Olsen 
 as Senior Angel (voice) (uncredited)

Garry Owen 
 as Bill-Poster (uncredited)

Netta Packer 
 as Elderly Woman (uncredited)

Franklin Parker 
 as Photographer / Reporter (uncredited)

Suzanne Ridgway 
 as Nick's Waitress (uncredited)

Mark Roberts 
 as Mickey (uncredited)

Constantine Romanoff 
 as Bar Patron (uncredited)

Cy Schindell 
 as Nick's Bouncer (uncredited)

Almira Sessions 
 as Potter's Secretary (uncredited)

Cedric Stevens 
 as Townsman (uncredited)

Brick Sullivan 
 as Man in Fantasy (uncredited)

Charles Sullivan 
 as Nick's Bartender (uncredited)

Carl Switzer 
 as Freddie Othello

Max Wagner 
 as Cashier / Nick's Assistant Bouncer (uncredited)

Larry Wheat 
 as Building & Loan Board Member (uncredited)

Charles C. Wilson 
 as Charlie (uncredited)

Finn Zirzow 
 as Bar Patron (uncredited)