 | Bud Abbott als Flash Fulton |
 | Lou Costello als Weejie 'Tubby' McCoy |
 | Ginny Simms als Marcia Manning |
 | Patric Knowles als Dr. William 'Bill' Burns |
 | Elyse Knox als Nurse Peggy Osborne |
 | Joe Sawyer als Buster - Silky's Henchman |
 | Marc Lawrence als Phil - Silky's Henchman |
 | Sheldon Leonard als Harry 'Silky' Fellowsby |
 | Johnny Long als Orchestra Leader |
 | Bobby Barber als Candy Butcher (uncredited) |
 | Hank Bell als Sleigh Driver (uncredited) |
 | Wade Boteler als Train Conductor #2 (uncredited) |
| Cordelia Campbell als Child Skater (uncredited) |
| Ken Christy als Fire Chief (uncredited) |
 | Joseph Crehan als Train Conductor #1 (uncredited) |
 | Eddie Dunn als Officer Murphy (uncredited) |
 | Pat Flaherty als Police Lieutenant (uncredited) |
 | Joel Fluellen als Club Car Bartender (uncredited) |
| Jack Gardner als Reporter (uncredited) |
 | Edward Gargan als Bank Policeman (uncredited) |
| Art Miles als Man in Bear Suit (uncredited) |
 | Mantan Moreland als Porter with Snowshoes (uncredited) |
 | Eddie Parker als Ambulance Driver (uncredited) |
 | Rebel Randall als Woman in Bed with Tubby (uncredited) |
 | Suzanne Ridgway als Pretty Nurse Pursued by Flash (uncredited) |
| William Ruhl als Sheriff (uncredited) |
 | Virginia Sale als Nurse who Faints (uncredited) |
 | Dan Seymour als Resort Chef (uncredited) |
 | Harry Strang als Train Check-in Gateman (uncredited) |
| Four Teens als Speciality Act (uncredited) |
| Nick Thompson als Husband (uncredited) |
 | Minerva Urecal als Wife at Hospital (uncredited) |
 | Dorothy Vaughan als Nurse #1 (uncredited) |
 | Billy Wayne als Man in Bed with Tubby (uncredited) |
| Gene Williams als Orchestra Singer (uncredited) |
| Helen Young als Orchestra Singer (uncredited) |
| Frederic I. Rinaldo | Screenplay |
| John B. Goodman | Art Direction |
| John Grant | Screenplay |
| Milton Feldman | Executive Producer |
| Robert Lees | Screenplay |
| Bernard B. Brown | Sound Director |
| Charles Lamont | Director |
| Alex Gottlieb | Producer |
| Charles Van Enger | Director of Photography |
| True Eames Boardman | Original Story |
| Paul Sawtell | Original Music Composer |
| Charles Previn | Music Director |
| Frank Gross | Editor |
| Harold H. MacArthur | Art Direction |
| Russell A. Gausman | Set Decoration |
| A.J. Gilmore | Set Decoration |
| Vera West | Costume Design |
| James C. Pratt | Production Manager |
