Der Portland-Ring

Heinz Bennent

as Lonsdale

Barbara Schöne

as Pat

Siegfried Wischnewski

as Oberst B.

Karl-Heinz von Hassel

as Major K

Til Erwig

as Leutnant P.

Michael Gempart

as Webster

Arnold Marquis

as Houghton

Katharina Mayberg

as Mrs. Houghton

Robert Naegele

as Ethels Chef