- Writer:
- Ted Willis
- Writer:
- Edward J. Mason
- Incidental music composed and conducted by:
- Bruce Campbell
- Settings:
- Donald Horne
- Film sequences directed by:
- Robin Nash
- Film cameraman:
- Gerry Pullen
- Film editor:
- Ken Bilton
- Producer:
- Harry Carlisle
- Judge:
- Ronald Ibbs
- Quinton:
- Bill Burridge
- Det-Insp Mitchell:
- William Lucas
- Ann Mitchell:
- Betty McDowall
- Chick Moore:
- David Davies
- Dr Mylanos:
- Anthony Newlands
- Erika:
- Patricia Haines
- Supt Stabler:
- Jerold Wells
- Airport Official:
- Frederick Corke
- Stewardess:
- Carole Brett
- Stewardess at Salzburg:
- Rona Leigh
- Customs Officer:
- Denis Thorne
- Otto Schneider:
- Aubrey Morris
- Waitress:
- Ann Windsor
- Greta Lessing:
- Felicity Young
- Voelckers:
- Marghall Jones
- Kramer:
- Lane Meddick
