 Katharine HepburnAnn Hamilton | Ann Hamilton |
 Robert TaylorAlan Garroway | Alan Garroway |
 Robert MitchumMichael Garroway | Michael Garroway |
 Edmund GwennProfessor Hamilton | Professor Hamilton |
 Marjorie MainLucy | Lucy |
 Jayne MeadowsSylvia Burton | Sylvia Burton |
 Clinton SundbergMr. Warmsley | Mr. Warmsley |
 Dan TobinJoseph Bangs | Joseph Bangs |
 Kathryn CardMrs. Foster | Mrs. Foster |
 Leigh WhipperGeorge | George |
 Charles TrowbridgeJustice Putnam | Justice Putnam |
 James WesterfieldHenry Gilson | Henry Gilson |
 Billy McClainUncle Ben | Uncle Ben |
 Don AndersonWarmsley's Assistant (uncredited) | Warmsley's Assistant (uncredited) |
| MMonya AndreSaleswoman (uncredited) | Saleswoman (uncredited) |
 Sylvia AndrewNora (uncredited) | Nora (uncredited) |
 William BaileyParty Guest (uncredited) | Party Guest (uncredited) |
| EEdward BibyMan in Hotel Lobby (uncredited) | Man in Hotel Lobby (uncredited) |
 Barbara BillingsleyParty Guest (uncredited) | Party Guest (uncredited) |
 Betty BlytheSaleslady (uncredited) | Saleslady (uncredited) |
| JJames CarlisleParty Guest (uncredited) | Party Guest (uncredited) |
| BBill CartledgeFlower Delivery Man (uncredited) | Flower Delivery Man (uncredited) |
| DDavid CavendishParty Guest (uncredited) | Party Guest (uncredited) |
 Wheaton ChambersBookstore Proprietor (uncredited) | Bookstore Proprietor (uncredited) |
 Naomi ChildersParty Guest (uncredited) | Party Guest (uncredited) |
 Dorothy ChristyGossip in Hotel Lobby (uncredited) | Gossip in Hotel Lobby (uncredited) |
| JJames ConatyRestaurant Patron (uncredited) | Restaurant Patron (uncredited) |
| OOliver CrossParty Guest (uncredited) | Party Guest (uncredited) |
 Phil DunhamElevator Operator (uncredited) | Elevator Operator (uncredited) |
 Helen Eby-RockFitter (uncredited) | Fitter (uncredited) |
