Bringing Up Baby Blurb: A dog belonging to an eccentric heiress (Katharine Hepburn) steals a dinosaur bone from David (Cary Grant), a Zoology professor. David follows the heiress home and all hell breaks loose when he loses her pet leopard Baby. Main Cast: Katharine Hepburn .... Susan Vance Cary Grant .... Dr. David Huxley Charles Ruggles .... Maj. Horace Applegate (as Charlie Ruggles) Walter Catlett .... Constable Slocum Barry Fitzgerald .... Mr. Gogarty May Robson .... Aunt Elizabeth Random Asta .... George, the Dog Nissa .... Baby, the leopard bringing up baby @ imdb.com