Honolulu

Miss Dorothy 'Dot' March

Brooks Mason / George Smith

Joe Duffy

Millicent 'Millie' De Grasse

Cecelia Grayson

Mr. Horace Grayson

Nurse

Gale Brewster

Wong

First Detective

Second Detective

Washington

Psychiatrist

Eve

Native Dancing Girl

Jailer

Grayson's Party Guest (uncredited)

Mr. Clifford Jones (uncredited)

Member of The Pied Pipers (uncredited)

Ambulance Intern (uncredited)

Groucho 1 (uncredited)

Chico (uncredited)

Harpo (uncredited)

Groucho 2 (uncredited)