 Cary GrantMortimer Brewster | Mortimer Brewster |
 Priscilla LaneElaine Harper Brewster | Elaine Harper Brewster |
 Josephine HullAunt Abby Brewster | Aunt Abby Brewster |
 Jean AdairAunt Martha Brewster | Aunt Martha Brewster |
 Raymond MasseyJonathan Brewster | Jonathan Brewster |
 John Alexander'Teddy Roosevelt' Brewster | 'Teddy Roosevelt' Brewster |
 Peter LorreDr. Einstein | Dr. Einstein |
 Jack CarsonOfficer Patrick O'Hara | Officer Patrick O'Hara |
 Edward Everett HortonMr. Witherspoon | Mr. Witherspoon |
 James GleasonLt. Rooney | Lt. Rooney |
 Grant MitchellReverend Harper | Reverend Harper |
 Edward McNamaraSergeant Brophy | Sergeant Brophy |
 Garry OwenTaxi Cab Driver | Taxi Cab Driver |
 John RidgelyOfficer Saunders | Officer Saunders |
 Vaughan GlaserJudge Cullman | Judge Cullman |
 Chester CluteDr. Gilchrist | Dr. Gilchrist |
 Charles LaneReporter at Marriage License Office | Reporter at Marriage License Office |
 Edward McWadeGibbs | Gibbs |
 Hank MannPhotographer at Marriage License Office (uncredited) | Photographer at Marriage License Office (uncredited) |
 Spencer ChartersMarriage License Clerk | Marriage License Clerk |
 Sol GorssNew York Pitcher (uncredited) | New York Pitcher (uncredited) |
 Lee PhelpsUmpire (uncredited) | Umpire (uncredited) |
 Raymond WalburnDrummer at baseball game (uncredited) | Drummer at baseball game (uncredited) |
 Spec O'DonnellYoung Man in Line (uncredited) | Young Man in Line (uncredited) |
 Leo WhiteMan in Phone Booth (uncredited) | Man in Phone Booth (uncredited) |
