Reptilicus

Carl Ottosen

— Brigadier General Mark Grayson

Ann Smyrner

— Lise Martens

Mimi Heinrich

— Karen Martens

Asbjørn Andersen

— Professor Otto Martens

Bodil Miller

— Connie Miller

Bent Mejding

— Svend Viltorft

Povl Wøldike

— Dr. Peter Dalby

Dirch Passer

— Mikkelsen

Ole Wisborg

— Captain Brandt

Mogens Brandt

— Police Chief Hassing

Kjeld Petersen

— Police Officer Olsen

Alfred Wilken

— Commander Vanggaard

Poul Thomsen

— Captain Naval

Claus Toksvig

— Self

Birthe Wilke

— Self

Alex Suhr

— Alex

Bent Vejlby

— Brandt's Driver

Børge Møller Grimstrup

— Farmer