Cary Grant
Mortimer Brewster
Priscilla Lane
Elaine Harper Brewster
Josephine Hull
Aunt Abby Brewster
Jean Adair
Aunt Martha Brewster
Raymond Massey
Jonathan Brewster
John Alexander
'Teddy Roosevelt' Brewster
Peter Lorre
Dr. Einstein
Jack Carson
Officer Patrick O'Hara
Edward Everett Horton
Mr. Witherspoon
James Gleason
Lt. Rooney
Grant Mitchell
Reverend Harper
Edward McNamara
Sergeant Brophy
Garry Owen
Taxi Cab Driver
John Ridgely
Officer Saunders
Vaughan Glaser
Judge Cullman
Chester Clute
Dr. Gilchrist
Charles Lane
Reporter at Marriage License Office
Edward McWade
Gibbs
Hank Mann
Photographer at Marriage License Office (uncredited)
Spencer Charters
Marriage License Clerk
Sol Gorss
New York Pitcher (uncredited)
Lee Phelps
Umpire (uncredited)
Raymond Walburn
Drummer at baseball game (uncredited)
Spec O'Donnell
Young Man in Line (uncredited)
Leo White
Man in Phone Booth (uncredited)