Katharine Hepburn
Susan
Cary Grant
David
Charles Ruggles
Major Applegate
Walter Catlett
Slocum
Barry Fitzgerald
Mr. Gogarty
May Robson
Aunt Elizabeth
Fritz Feld
Dr. Lehman
Leona Roberts
Mrs. Gogarty
George Irving
Mr. Peabody
Tala Birell
Mrs. Lehman
Virginia Walker
Alice Swallow
John Kelly
Elmer
William Benedict
David's Caddy (uncredited)
Billy Bevan
Joe (uncredited)
Ward Bond
Motorcycle Cop (uncredited)
Jack Carson
Circus Roustabout (uncredited)
J
Judith Ford
Hatcheck Girl (uncredited)
Edward Gargan
Zoo Official (uncredited)
Paul Guilfoyle
(uncredited)
Karl 'Karchy' Kosiczky
Midget (uncredited)
S
Skippy
George (uncredited)
J
Jack Gardner
Delivery Man (uncredited)
H
Herschel Graham
Waiter (uncredited)