Jean Arthur

Alice Sycamore

James Stewart

Tony Kirby

Lionel Barrymore

Grandpa Martin Vanderhof

Edward Arnold

Anthony P. Kirby

Mischa Auer

Boris Kolenkhov

Ann Miller

Essie Carmichael

Spring Byington

Penny Sycamore

Samuel S. Hinds

Paul Sycamore

Donald Meek

Mr. Poppins

H.B. Warner

Mr. Ramsey

Halliwell Hobbes

Mr. DePinna

Dub Taylor

Ed Carmichael

Mary Forbes

Mrs. Anthony P. Kirby

Eddie 'Rochester' Anderson

Donald

Clarence Wilson

John Blakely

Josef Swickard

Professor

Ann Doran

Maggie O'Neill

Christian Rub

Schmidt

Bodil Rosing

Mrs. Schmidt

Charles Lane

Henderson

Harry Davenport

Judge

Irving Bacon

Henry - the Head Waiter (uncredited)

Ward Bond

Mike - the Detective (uncredited)

James Burke

Chief Detective (uncredited)

Eddy Chandler

Plainclothes Policeman (uncredited)

Anne Cornwall

Miss Jones - Blakely's Secretary (uncredited)

Edgar Dearing

Bill - Plainclothes Policeman (uncredited)

Pat Flaherty

Police Guard at Courtroom Entrance (uncredited)

Robert Greig

Lord Melville (uncredited)

Kit Guard

Inmate Wearing Black Cap (uncredited)

John Hamilton

Kirby's Dining Guest (uncredited)

Edward Hearn

Court Attendant (uncredited)

Russell Hicks

Kirby's Attorney (uncredited)

Edward Keane

Board Member (uncredited)

Edwin Maxwell

Kirby's Attorney (uncredited)

Frank McLure

Restaurant Patron (uncredited)

James Millican

Policeman (uncredited)

Edward Peil Sr.

Neighbor Helping with Move (uncredited)

Ian Wolfe

Kirby's Secretary (uncredited)

Stanley Andrews

Attorney to Kirby at Arraignment (uncredited)

Frank Austin

Neighbor (uncredited)

Beatrice Blinn

Neighbor (uncredited)

Charles Brinley

Neighbor (uncredited)

Beatrice Curtis

Neighbor (uncredited)

George C. Pearce

Neighbor (uncredited)

Dorothy Vernon

Neighbor (uncredited)

Gladys Blake

Mary (uncredited)

Gloria Browne

Child Dancer (uncredited)

Chester Clute

Hammond (uncredited)

Dick Curtis

Strongarm Man (uncredited)

Lester Dorr

Reporter (uncredited)

Vernon Dent

Expressman (uncredited)

Kay Deslys

Woman (uncredited)

Louis King

Man (uncredited)

Bob Kortman

Man (uncredited)

Cy Schindell

Man (uncredited)

Harry Semels

Man (uncredited)

Ernest Shields

Man (uncredited)

Victor Travis

Man (uncredited)

Roland Dupree

Child Dancer (uncredited)

Edward Earle

Bank Manager (uncredited)

James Flavin

Jailer (uncredited)

Byron Foulger

Kirby's Assistant (uncredited)

Chuck Hamilton

Guard (uncredited)

Oscar 'Dutch' Hendrian

Ice Man (uncredited)

Eddie Kane

Attorney to Kirby (uncredited)

Frank Mills

Trustee (uncredited)

Blanche Payson

Matron (uncredited)

Lee Phelps

Bailiff (uncredited)

Bert Stevens

Court Bailiff (uncredited)

Laura Treadwell

Kirby's Dining Guest (uncredited)

John Tyrrell

Strongarm Man (uncredited)

Walter Walker

Governor Leach (uncredited)

Pierre Watkin

Attorney to Kirby (uncredited)

Bess Flowers

Martin's Neighbor in Courtroom