Jack Carson as Peter Virgil
Janis Paige as Elvira Kent
Don DeFore as Michael Kent
Doris Day as Georgia Garrett
Oscar Levant as Oscar Farrar
S.Z. Sakall as Uncle Lazlo Lazlo
Fortunio Bonanova as Plinio
Eric Blore as Ship's Doctor
Franklin Pangborn as Rio Hotel Clerk
Leslie Brooks as Miss Medwick
William Bakewell as Dudley
John Berkes as The Drunk
Avon Long as Specialty Singer
Page Cavanaugh as Page Cavanaugh
Page Cavanaugh Trio as Page Cavanaugh Trio
Sir Lancelot as Specialty Singer
Samba Kings as The Samba Kings - Musical Ensemble
John Alvin as Charles - Travel Agent
Nestor Amaral as Pedro
John Arnold as Rio Headwaiter
Carlos Barbe as Young Man at Wedding
Barbara Bates as Stewardess
Mary Bayless as Ship Passenger
Brandon Beach as Ship Passenger
María Belmar as Ship Passenger
Mary Benoit as Ship Passenger
George Boyce as Ship Steward
Paul Bradley as Wedding Guest
Chet Brandenburg as Club Patron
Leonard Bremen as Headwaiter
Kenneth Britton as Ship Lounge Bartender
Tex Brodus as Ship Passenger
Norma Brown as Brazilian Girl
Robert Cabal as Rio Bellboy
James Carlisle as Wedding Guest
Steve Carruthers as Wedding Guest
Wheaton Chambers as Passport Photographer
Tristram Coffin as Headwaiter on Ship
G. Pat Collins as Detective Humphrey
Gino Corrado as Ship Passenger
Oliver Cross as Ship Passenger
Frank Dae as Minister
Jay Eaton as Ad Designer
Joe Evans as Bartender
Mary Field as Marie - Elvira's Maid
Bess Flowers as Ship Passenger
Charles Fogel as Tourist
Phyllis Forbes as Brazilian Girl
Gerry Ganzer as Ship Passenger
Joe Gilbert as Wedding Guest
Fred Godoy as Rio Doorman
Dick Gordon as Wedding Guest
Sandra Gould as Telephone Operator
Stuart Hall as Tourist
Sam Harris as Travel Agency Customer
John Holland as Best Man
Stuart Holmes as Ship Passenger
Emory Johnson as Ship Passenger
Dick Johnstone as Club Patron
Douglas Kennedy as Car Salesman
Kay Koury as Vendor
Otto Kruger as Wedding Guest
Louise Lane as Party Guest
Perk Lazelle as Ship Passenger
Ruth Lewis as Ship Passenger
King Lockwood as Ship Passenger
Leota Lorraine as Wedding Guest
Robert Locke Lorraine as Wedding Guest
Wilbur Mack as Tourist
Thomas Martin as Ship Steward
Martin Mason as Ship Steward
Clyde McLeod as Wedding Guest
Frank McLure as Night Club Patron
Harold Miller as Ship Passenger
Ray Montgomery as Michael's Assistant
George Moro as Cuban Waiter
Sol Murgi as Wedding Guest
George Nardelli as Wedding Guest
George N. Neise as Michael's Assistant
Maila Nurmi as Ship Passenger
Eddie Parks as Ship Messenger
Rosemary Pettit as Ship Passenger
Paul Power as Party Guest
Jean Ransome as Ship Passenger
Frances Rey as Cuban Telephone Operator
Larry Rio as Cab Driver
Ramon Ros as Assistant Hotel Clerk
Susanne Rosser as Brazilian Girl
Paul Russell as Wedding Guest
Frank J. Scannell as Ship Purser
Scott Seaton as Tourist
Cyril Smith as English Bartender
Owen Song as Waiter
Ted Stanhope as Ship Waiter
Paul Stathes as Party Guest
Grady Sutton as Ship Radio Operator
George Suzanne as Rio Bellboy
Tyra Vaughn as Ship Passenger
Janet Warren as Organist
Martin Wilkins as Ship Waiter
Victor Zimmerman as Charles - the Chauffeur
Music by the great Kevin MacLeod