Homer Flagg (Lewis) is a railroad worker in the small town of Desert Hole, New Mexico. One day he finds an abandoned automobile at an old atomic proving ground. His doctor and best friend, Steve Harris (Martin), diagnoses him with radiation poisoning and gives Homer three weeks to live. A reporter for a New York newspaper, hears of Homer's plight and convinces her editor, to provide an all-expenses paid trip to New York.
Dr. Steve Harris
Dean Martin
Homer Flagg
Jerry Lewis
Wally Cook
Janet Leigh
The Mayor of New York
Edward Arnold
Oliver Stone
Fred Clark
Jitterbug Champion
Sheree North
Waiter
Sammy White
Master of Ceremonies
Sid Tomack
Dr. Emile Egelhofer
Sig Ruman
Dr. Lee
Richard Loo
Conductor
Raymond Greenleaf
Isaiah Jackson
Walter Baldwin
Man
Fay Roope
Yankee Catcher (uncredited)
John Alderson
Radio Announcer (uncredited)
Art Baker
Nightclub Patron (uncredited)
Frank Baker
Cop (uncredited)
Benjie Bancroft
Bellboy (uncredited)
Bobby Barber
Doorman (uncredited)
Richard Barron
Newsboy (uncredited)
Don Bender
Waiter (uncredited)
Arthur Berkeley
Ike, the Train Engineer (uncredited)
Stanley Blystone
Nightclub Patron (uncredited)
Paul Bradley
Pump Room Chief (uncredited)
Frank Branda
Policeman (uncredited)
Jack Bruce
Baseball Spectator (uncredited)
George Bruggeman
Bellboy (uncredited)
Bill Cartledge
Ceremony Spectator (uncredited)
Gordon Carveth
Showgirl (uncredited)
Sue Casey
Policeman (uncredited)
Lane Chandler
Wedding Guest (uncredited)
Beulah Christian
Baseball Spectator (uncredited)
Bud Cokes
Fernandez (uncredited)
Booth Colman
Man in Hotel Lobby (uncredited)
James Conaty
Newspaper Slugger (uncredited)
Clancy Cooper
Shoe Salesman (uncredited)
Gino Corrado
Ambulance Driver (uncredited)
Roger Creed
Wedding Guest (uncredited)
Oliver Cross
Bellboy Captain (uncredited)
Frankie Darro
Doorman (uncredited)
George Davis
Public Stenographer (uncredited)
Louise De Carlo
French Chef (uncredited)
Jean Del Val
Newpaper Slugger (uncredited)
Don Dunning
Manicurist (uncredited)
Marla English
Waiter (uncredited)
Joe Evans
Man at Bus Depot (uncredited)
Franklyn Farnum
Barber (uncredited)
Fritz Feld
Policeman (uncredited)
Jac Fisher
Patron at Wonderland Ballroom (uncredited)
Bess Flowers
City Official (uncredited)
Charles Fogel
Dr. Nassau (uncredited)
Eduard Franz
Ceremony Spectator (uncredited)
Herschel Graham
Manicurist (uncredited)
Kathryn Grant
Leader of the Boy Rangers (uncredited)
Dabbs Greer
Hostess (uncredited)
Audrey Hansen
New York City Official at Airport (uncredited)
Sam Harris
Newspaper Office Worker (uncredited)
Bill Hickman
Newspaper Slugger (uncredited)
Al Hill
Grocery Clerk (uncredited)
Jimmie Horan
Jitterbug Dancer (uncredited)
Gretchen Houser
Nightclub Patron (uncredited)
Kenner G. Kemp
Martin (uncredited)
Donald Kerr
Ceremony Spectator (uncredited)
Ed Kerr
Police Chief (uncredited)
Paul Kruger
Photographer (uncredited)
Norman Leavitt
Gas Station Attendant (uncredited)
Emmett Lynn
Tank Commander (uncredited)
Mike Mahoney
Announcer (uncredited)
Rudy Makoul
Busboy (uncredited)
Hank Mann
Nightclub Patron (uncredited)
Philo McCullough
Jitterbug Dancer (uncredited)
Jewel McGowan
Dignitary at Airport (uncredited)
Frank McLure
Chef (uncredited)
Torben Meyer
Vagrant at Park (uncredited)
Frank Mills
Nightclub Patron (uncredited)
Hans Moebus
Waiter (uncredited)
Ralph Montgomery
Wedding Guest (uncredited)
Monty O'Grady
Armed Guard (uncredited)
Michael O'Hara
Intern (uncredited)
Ray Page
Wedding Guest (uncredited)
Foster H. Phinney
Wedding Guest (uncredited)
Murray Pollack
Vagrant in Park (uncredited)
Harry 'Snub' Pollard
Newspaper Slugger (uncredited)
Max Power
Baseball Spectator (uncredited)
Fred Rapport
Assistant Tailor (uncredited)
Cosmo Sardo
Jitterbug Dancer (uncredited)
Lennie Smith
Jitterbug Dancer (uncredited)
Lou Southern
Ceremony Spectator (uncredited)
Norman Stevens
Hotel Waiter (uncredited)
Bert Stevens
Intern (uncredited)
Jack Stoney
Wedding Guest (uncredited)
Robert Strong
Cop (uncredited)
Brick Sullivan
Elevator Boy (uncredited)
Tommy Summers
Gift Shop Owner (uncredited)
Grady Sutton
Old Man (uncredited)
Fred Sweeney
Tailor (uncredited)
Ted Thorpe
Flower Delivery Man (uncredited)
Arthur Tovey
Customer (uncredited)
Max Ann Viault
Boy (uncredited)
Stephen Wootton
Jitterbug Dancer (uncredited)
Freda Angela Wyckoff
Reporter (uncredited)
Fred Zendar