 Shirley JonesAmy Martin | Amy Martin |
 Gig YoungKey Weedon | Key Weedon |
 Red ButtonsFlight Officer Simon 'Uncle Cy' Shelley | Flight Officer Simon 'Uncle Cy' Shelley |
 Carolyn JonesTandy Martin | Tandy Martin |
 Edgar BuchananCaptain Martin / Gramps | Captain Martin / Gramps |
| EEddie ApplegateYeoman Corker Bell | Yeoman Corker Bell |
 Edward PlattCaptain Haven Hitchcock | Captain Haven Hitchcock |
 Bill MumyAlex Martin | Alex Martin |
 Bryan RussellLuke Martin | Luke Martin |
 Robert FoulkPoliceman | Policeman |
 Milton FromeFireman | Fireman |
 Peter RobbinsGrover Martin | Grover Martin |
 Brian AverySignalman (uncredited) | Signalman (uncredited) |
 Tol AveryCharlie (uncredited) | Charlie (uncredited) |
| DDanny BorzageObserver at Car (uncredited) | Observer at Car (uncredited) |
| JJohn BrennanOfficer (uncredited) | Officer (uncredited) |
 John BurnsideChief Petty Officer (uncredited) | Chief Petty Officer (uncredited) |
| BBoyd CabeenOnlooker (uncredited) | Onlooker (uncredited) |
 Gene CooganMilitary Officer (uncredited) | Military Officer (uncredited) |
| BBill CouchClyde (uncredited) | Clyde (uncredited) |
| KKen DeloCrewman (uncredited) | Crewman (uncredited) |
| DDennis DurneySignalman (uncredited) | Signalman (uncredited) |
| MMichael GallowayLt. Burke (uncredited) | Lt. Burke (uncredited) |
 Jack GrinnageSeaman (uncredited) | Seaman (uncredited) |
| BBarnaby HaleCmdr. Landry (uncredited) | Cmdr. Landry (uncredited) |
 George HolmesRestaurant Patron (uncredited) | Restaurant Patron (uncredited) |
| HHap HolmwoodOfficer (uncredited) | Officer (uncredited) |
 Loren JanesHayward (uncredited) | Hayward (uncredited) |
| KKen KaneOnlooker (uncredited) | Onlooker (uncredited) |
| RRon NymanRestaurant Patron (uncredited) | Restaurant Patron (uncredited) |
