 |
John Bentley as Paul Temple |
 |
Dinah Sheridan as Steve Temple |
 |
Margaretta Scott as Mrs. Barbara Trevellyan |
 |
Alan Wheatley as Edward Lathom |
 |
Abraham Sofaer as Dr. Charles Kohima |
 |
Celia Lipton as Norma Rice |
 |
Jack Raine as Sir Graham Forbes |
 |
Hugh Pryse as Wilfred Davies |
 |
John McLaren as Leo Brent |
 |
Ian McLean as Inspector Crane |
 |
Merle Tottenham as Millie |
 |
Wally Patch as Spider Williams |
| Production | Ernest G. Roy | Producer |
| Editing | Ted Richards | Editor |
| Camera | Geoffrey Faithfull | Director of Photography |
| Directing | Maclean Rogers | Director |
| Writing | Kathleen Butler | Writer |
| Writing | А.Р. Роулинсон | Writer |
| Writing | Francis Durbridge | Characters |
