Also Known As:
- Homicidal
- Den mystiske knivstikker
- Eglima meta ta mesanyhta
- Homicide
- Homicidio
- Mörderisch
- William Castle
- Robb White
- Glenn Corbett ... Karl Anderson
- Patricia Breslin ... Miriam Webster
- Eugenie Leontovich ... Helga Swenson
- Alan Bunce ... Doctor Jonas
- Richard Rust ... Jim Nesbitt
- James Westerfield ... Alfred S. Adrims (Justice of the Peace)
- Gilbert Green ... Lt. Miller
- Joan Marshall ... Emily (as Jean Arless)
- Wolfe Barzell ... Olie
- Teri Brooks ... Mrs. Forest
- William Castle ... Himself
- Joseph Forte ... Second Hotel Clerk
- Ralph Moody ... First Hotel Clerk
- 'Snub' Pollard ... Bellhop
- Hope Summers ... Mrs. Martha Adrims