Jack Carson as Peter Virgil

Janis Paige as Mrs. Elvira Kent

Don DeFore as Mr. Michael Kent

Doris Day as Miss 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 (Travel Agent)

John Berkes as The Drunk

Avon Long as Specialty Singer

Page Cavanaugh as Page Cavanaugh

Sir Lancelot as Specialty Singer

John Alvin as Charles - Travel Agent (uncredited)

Nestor Amaral as Pedro (uncredited)

John Arnold as Rio Headwaiter (uncredited)

Carlos Barbe as Young Man at Wedding (uncredited)

Barbara Bates as Stewardess (uncredited)

Brandon Beach as Ship Passenger (uncredited)

María Belmar as Ship Passenger (uncredited)

Mary Benoit as Ship Passenger (uncredited)

George Boyce as Ship Steward (uncredited)

Paul Bradley as Wedding Guest (uncredited)

Chet Brandenburg as Club Patron (uncredited)

Leonard Bremen as Headwaiter (uncredited)

Kenneth Britton as Ship Lounge Bartender (uncredited)

Tex Brodus as Ship Passenger (uncredited)

Norma Brown as Brazilian Girl (uncredited)

Robert Cabal as Rio Bellboy (uncredited)

James Carlisle as Wedding Guest (uncredited)

Steve Carruthers as Wedding Guest

Wheaton Chambers as Passport Photographer (uncredited)

Tris Coffin as Headwaiter on Ship (uncredited)

G. Pat Collins as Detective Humphrey (uncredited)

Gino Corrado as Ship Passenger / Rio Night Club Patron (uncredited)

Oliver Cross as Ship Passenger (uncredited)

Frank Dae as Minister (uncredited)

Jay Eaton as Ad Designer (uncredited)

Joe Evans as Bartender (uncredited)

Mary Field as Marie - Elvira's Maid (uncredited)

Bess Flowers as Ship Passenger (uncredited)

Charles Fogel as Tourist (uncredited)

Phyllis Forbes as Brazilian Girl (uncredited)

Gerry Ganzer as Ship Passenger (uncredited)

Joe Gilbert as Wedding Guest (uncredited)

Fred Godoy as Rio Doorman (uncredited)

Dick Gordon as Wedding Guest (uncredited)

Sandra Gould as Telephone Operator (uncredited)

Stuart Hall as Tourist (uncredited)

Sam Harris as Travel Agency Customer / Ship Passenger (uncredited)

John Holland as Best Man (uncredited)

Stuart Holmes as Ship Passenger (uncredited)

Emory Johnson as Ship Passenger (uncredited)

Dick Johnstone as Club Patron (uncredited)

Douglas Kennedy as Car Salesman (uncredited)

Kay Koury as Vendor (uncredited)

Otto Kruger as Wedding Guest (uncredited)

Louise Lane as Party Guest (uncredited)

Perk Lazelle as Ship Passenger (uncredited)

Ruth Lewis as Ship Passenger (uncredited)

King Lockwood as Ship Passenger (uncredited)

Leota Lorraine as Wedding Guest (uncredited)

Robert Locke Lorraine as Wedding Guest (uncredited)

Wilbur Mack as Tourist (uncredited)

Thomas Martin as Ship Steward (uncredited)

Martin Mason as Ship Steward (uncredited)

Clyde McLeod as Wedding Guest (uncredited)

Frank McLure as Night Club Patron (uncredited)

Harold Miller as Ship Passenger (uncredited)

Ray Montgomery as Michael's Assistant (uncredited)

George Moro as Cuban Waiter (uncredited)

Sol Murgi as Wedding Guest (uncredited)

George Nardelli as Wedding Guest (uncredited)

George N. Neise as Michael's Assistant (uncredited)

Maila Nurmi as Ship Passenger (uncredited)

Eddie Parks as Ship Messenger (uncredited)

Rosemary Pettit as Ship Messenger (uncredited)

Paul Power as Party Guest (uncredited)

Jean Ransome as Ship Passenger (uncredited)

Frances Rey as Cuban Telephone Operator (uncredited)

Larry Rio as Cab Driver (uncredited)

Ramon Ros as Assistant Hotel Clerk (uncredited)

Susanne Rosser as Brazilian Girl (uncredited)

Edith Russell as Ship Passenger (uncredited)

Paul Russell as Wedding Guest (uncredited)

Frank J. Scannell as Ship Purser (uncredited)

Scott Seaton as Tourist (uncredited)

Cyril Smith as English Bartender (uncredited)

Owen Song as Waiter (uncredited)

Ted Stanhope as Ship Waiter (uncredited)

Paul Stathes as Party Guest (uncredited)

Grady Sutton as Ship Radio Operator (uncredited)

George Suzanne as Rio Bellboy (uncredited)

Tyra Vaughn as Ship Passenger (uncredited)

Janet Warren as Organist (uncredited)

Martin Wilkins as Ship Waiter (uncredited)

Victor Zimmerman as Charles the Chauffeur (uncredited)