Reptilicus

Carl Ottosen

as Brigadier General Mark Grayson

Ann Smyrner

as Lise Martens

Mimi Heinrich

as Karen Martens

Asbjørn Andersen

as Professor Otto Martens

Bodil Miller

as Connie Miller

Bent Mejding

as Svend Viltorft

Povl Wøldike

as Dr. Peter Dalby

Dirch Passer

as Mikkelsen

Ole Wisborg

as Captain Brandt

Mogens Brandt

as Police Chief Hassing

Kjeld Petersen

as Police Officer Olsen

Alfred Wilken

as Commander Vanggaard

Poul Thomsen

as Captain Naval

Claus Toksvig

as Self

Birthe Wilke

as Self

Alex Suhr

as Alex

Bent Vejlby

as Brandt's Driver

Børge Møller Grimstrup

as Farmer