Mister Big

Donald O'Connor

Donald J. O'Connor

Gloria Jean

Patricia Davis

Peggy Ryan

Peggy

Robert Paige

Johnny Hanley

Elyse Knox

Alice Taswell

Samuel S. Hinds

Jeremy Taswell

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Robert Scheerer

Bobby (as Bobby Scheerer)

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Richard Stewart

Genius

Elinor Donahue

Muggsy

Florence Bates

Mrs. Mary Davis

Ray Eberle

Ray Eberle

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Eddie Miller

Leader, Eddie Miller's Bob Cats

Ben Carter

Ben Carter - Choir Leader

Irving Bacon

Jimmy, Malt Shop Proprietor

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William Ruhl

Producer

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Alan Ward

Producer

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Jimmie Lucas

Gardener

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Lassie Lou Ahern

Dancer (uncredited)

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Dorothy Babb

'Jivin' Jacks and Jills' Member (uncredited)

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Bobby Brooks

Specialty Act (uncredited)

Roland Dupree

'Jivin' Jacks and Jills' Member (uncredited)

Bess Flowers

Theatrical Party Member (uncredited)

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Karen X. Gaylord

Theatrical Party Member (uncredited)

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Jean Inness

Theatrical Party Member (uncredited)

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Charles Marsh

Theatrical Producer (uncredited)

Shirley Mills

'Jivin' Jacks and Jills' Member (uncredited)

Bert Moorhouse

Theatrical Producer (uncredited)

Patsy O'Connor

Genius' Dancing Partner (uncredited)

Tommy Rall

'Jivin' Jacks and Jills' Member (uncredited)

Emmett Vogan

Theatrical Party Member (uncredited)

Claire Whitney

Theatrical Party Member (uncredited)