 | James Stewart Theodore Honey |
 | Marlene Dietrich Monica Teasdale |
 | Glynis Johns Marjorie Corder |
 | Jack Hawkins Dennis Scott |
 | Janette Scott Elspeth Honey |
 | Elizabeth Allan Shirley Scott |
 | Ronald Squire Sir John |
 | Jill Clifford Peggy Miller, Stewardess |
 | Ben Williams Farnborough Gate Guard (uncredited) |
 | George Neil Attendant, Director's Office (uncredited) |
 | Maurice Denham Major Pearl (uncredited) |
| Michael McCarthy Bus Conductor (uncredited-voice only) |
 | Gertrude Kaye Lady at Door of Wrong House (uncredited) |
 | Unknown RAF Officer with Scott |
 | Unknown Civilian with Scott |
 | David Hutcheson Bill Penworthy (uncredited) |
 | Ned Lynch Ned, Ground Crewman (uncredited) |
 | Dora Bryan Rosie (uncredited) |
 | Wilfrid Hyde-White Fisher, Inspector of Accidents (uncredited) |
 | Michael Peake Airline Passenger (uncredited) |
 | Unknown Airline Passenger |
 | Tony Mendleson Airline Passenger (uncredited) |
 | Unknown Airline Passenger |
 | Unknown Airline Passenger |
 | Unknown Airline Passenger |
 | Philip Ashley London Flight Officer Checking Departures (uncredited) |
 | Diana Bennett London Airport Stewardess (uncredited) |
 | Unknown Airline Passenger |
 | Bessie Love Airline Passenger (uncredited) |
 | Fletcher Lightfoot Airline Passenger (uncredited) |
 | Mabel Etherington Airline Passenger (uncredited) |
 | Unknown Airline Passenger |
 | Kenneth More First Officer Dobson (uncredited) |
 | Niall MacGinnis Captain "Sam" Samuelson (uncredited) |
 | Basil Appleby Hank, First Engineer (uncredited) |
 | Hector MacGregor Mac, Second Engineer (uncredited) |
 | Michael Kingsley Navigator (uncredited) |
 | Pete Murray Peter, Radio Operator (uncredited) |
 | J. Neil More Airline Passenger (uncredited) |
 | Unknown Airline Passenger |
 | Donald Stewart Gander Control Officer (uncredited) |
 | Philip Vickers Gander Control Officer (uncredited) |
 | Arthur Hill Gander Flight Officer (uncredited) |
 | Unknown Irate Airline Passenger |
 | Hilda Campbell-Russell Airline Passenger (uncredited) |
 | Unknown Airline Passenger Talking to Monica |
 | John Salew Symes, Gander Inspector (uncredited) |
 | Hugh Cross Johnson, Director's Secretary (uncredited) |
 | Douglas Bradley-Smith Farnborough Director |
 | Maxwell Foster Farnborough Director |
| Gerald Kent Farnborough Director |
| John Lennox Farnborough Director |
| Arthur Lucas Farnborough Director |
| Dodd Mehan Farnborough Director |
 | Marcel Poncin Scientist (uncredited) |
 | Roy Russell Sir John's Butler (uncredited) |
 | Hugh Wakefield Sir David Moon, Airline President (uncredited) |
 | Stuart Lindsell Inquiry Board Chairman (uncredited) |
 | William Murray Inquiry Board Member (uncredited) |
 | Lawrence Baskcomb Inquiry Board Member (uncredited) |
| Alec Finter Inquiry Board Member (uncredited) |
 | Felix Aylmer Sir Philip |
 | Tom Gill R.A.F. Pilot |
 | Catherine Leach Autograph Hunter |
| Robert Lickens Autograph Hunter |
 | Stuart Nichol Control Officer (uncredited) |
 | Philip Ray Burroughs |
| Donald Scott Reporter |
 | Cyril Smith Airport Officer (uncredited) |
 | Karel Stepanek Mannheim |
 | Wilfrid Walter Tracy |
 | Gloster E.1/44 TX145 Itself |
 | Handley Page Halton Rutland Reindeer G-AFOH |
 | Avro Lancaster NX636 Aircraft Bringing Honey to England (uncredited) |