 | Jeanne Crain als Ruth Stanton Bowman |
 | Michael Rennie als Dr. Paul Manning |
 | Carl Betz als John Bowman |
 | Mary Anderson als Anna Quinn |
 | Max Showalter als Jim Logan (as Casey Adams) |
 | Marjorie Hoshelle als Kay Prentiss |
 | Willis Bouchey als Capt. Peters |
 | Yvonne Peattie als Miss Bridges |
 | Robert Adler als Bartender (uncredited) |
 | Stanley Andrews als Ship's Pilot (uncredited) |
 | Madge Blake als Ship's Passenger (uncredited) |
 | Paul Bradley als Ship's Passenger (uncredited) |
 | Harry Carter als Pool Attendant (uncredited) |
 | Bess Flowers als Ship's Passenger (uncredited) |
 | Anthony Jochim als Baggage Steward (uncredited) |
 | Kenner G. Kemp als Ship's Passenger (uncredited) |
| Mike Lally als Ship's Passenger (uncredited) |
 | Carl M. Leviness als Ship's Passenger (uncredited) |
 | Karl Ludwig Lindt als Foreigner (uncredited) |
 | Adrienne Marden als Telephone Operator (uncredited) |
| Thomas Martin als Ship's Passenger (uncredited) |
 | Frank McLure als Ship's Passenger (uncredited) |
 | Harold Miller als Ship's Passenger (uncredited) |
| Hans Moebus als Ship's Passenger (uncredited) |
 | Forbes Murray als Ship's Passenger (uncredited) |
 | Leoda Richards als Ship's Passenger (uncredited) |
| Harry Seymour als Steward (uncredited) |
 | Charles Tannen als Wine Steward (uncredited) |
 | William Tannen als Ship's Officer (uncredited) |
 | Gayne Whitman als Purser (uncredited) |
| Joseph M. Newman | Director |
| Leo Townsend | Screenplay |
| Robert Bassler | Producer |
| Joseph LaShelle | Director of Photography |
| William Reynolds | Editor |
| Maurice Ransford | Art Direction |
| Lyle R. Wheeler | Art Direction |
| Al Orenbach | Set Decoration |
| Renié | Costume Design |
| Ben Nye | Makeup Artist |
| Lionel Newman | Music Director |
| Ray Kellogg | Visual Effects |
| Winston H. Leverett | Sound |
| Harry M. Leonard | Sound |
| Arthur Lueker | Assistant Director |
| John Dickson Carr | Radio Play |
| Jerry Braun | Second Assistant Director |
| Anthony Ugrin | Still Photographer |
| M. Duke Abrahams | Props |
| Esperanza Corona | Hairdresser |
| Ernie Parks | Makeup Artist |
| Harry Maret | Makeup Artist |
| Charles LeMaire | Wardrobe Supervisor |
