Honolulu

Eleanor Powell

Miss Dorothy 'Dot' March

Robert Young

Brooks Mason / George Smith

George Burns

Joe Duffy

Gracie Allen

Millicent 'Millie' De Grasse

Rita Johnson

Cecelia Grayson

Clarence Kolb

Mr. Horace Grayson

Jo Ann Sayers

Nurse

Ann Morriss

Gale Brewster

Willie Fung

Wong

Cliff Clark

First Detective

Edward Gargan

Second Detective

Eddie 'Rochester' Anderson

Washington

Sig Ruman

Psychiatrist

Ruth Hussey

Eve

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Kealohu Holt

Native Dancing Girl

Edgar Dearing

Jailer

Bess Flowers

Grayson's Party Guest (uncredited)

Russell Hicks

Mr. Clifford Jones (uncredited)

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Jo Stafford

Member of The Pied Pipers (uncredited)

Tom Neal

Ambulance Intern (uncredited)

Ken Darby

Groucho 1 (uncredited)

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Jon Dodson

Chico (uncredited)

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Bud Linn

Harpo (uncredited)

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Rad Robinson

Groucho 2 (uncredited)

Roy Atwell

Bearded Man on Ship (uncredited)

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Diane Cook

Second Passenger (uncredited)

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Andy Iona

Andy Iona (uncredited)

Betty Jaynes

Singer (uncredited)

Edward LeSaint

Minister (uncredited)

Helen MacKellar

Middle Telephone Operator (uncredited)

Douglas McPhail

Bing Crosby Impersonator (uncredited)

James Millican

Lifeguard on Ship (uncredited)

Alberto Morin

Clerk (uncredited)

William Newell

Second Interne

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Claire Owen

First Telephone Operator (uncredited)

Bert Roach

Grayson's Party Guest (uncredited)

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Clarice Sherry

Third Passenger (uncredited)

Phillip Terry

Nightclub Bandleader (uncredited)

Martha Tibbetts

Last Telephone Operator (uncredited)

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Laura Treadwell

Mrs. Brady, Elderly Guest (uncredited)

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William Wagner

Pallbearer (uncredited)

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Christina Welles

Minor Role (uncredited)