Frank Sinatra (Clarence Doolittle)
Kathryn Grayson (Susan Abbott)
Gene Kelly (Joseph Brady)
José Iturbi (Himself)
Dean Stockwell (Donald Martin)
Sondra Rodgers (Iturbi's Secretary)
Renie Riano (Waitress)
William "Bill" Phillips (Sailor)
Milton Parsons (Bearded Man)
Ray Teal (Asst. Movie Director)
Tom Trout (Sailor)
Harry Barris (Sailor)
Alex Callam (Commander)
Eddie Hall (Sailor)
Esther Michelson (Hamburger Woman)
Garry Owen (Soldier)
Peggy Maley (Lana Turner Double)
Henry Daniels, Jr. (Sailor)
Steve Brodie (Soldier)
Milt Kibbee (Bartender)
Douglas Cowan (Sailor)
John James (Sailor)
Wally Cassell (Sailor)
William Forrest (Movie Director)
Charles Coleman (Butler)
Carlos Ramirez (Carlos)
Edgar Kennedy (Police Captain)
Grady Sutton (Bertram Kroehler)
Leon Ames (Commander)
Sharon McManus (Little Girl Beggar)
James Flavin (Radio Cop)
James Burke (Studio Cop)
Henry Armetta (Hamburger Man)
Chester Clute (Iturbi's Assistant)
Pamela Britton (Girl from Brooklyn)
Rags Ragland (Police Sergeant)
Billy Gilbert (Cafe Manager)
Henry O'Neill (Adm. Hammond)