| Cary Grant | Captain Henri Rochard |
| Ann Sheridan | Lieutenant Catherine Gates |
| William Neff | Captain Jack Rumsey |
| Eugene Gericke | Tony Jowitt |
| Marion Marshall | lotta |
| Randy Stuart | lotta |
| Ruben Wendorf | innkeeper's assistant |
| Lester Sharpe | waiter |
| Ken Tobey | seaman |
| Robert Stevenson | lieutenant |
| Alfred Linder | bartender |
| David McMahon | chaplain |
| Joe Haworth | shore patrol |
| John Whitney | Trumble |