


Greedy sailors capture a giant lizard off the coast of Ireland and sell it to a London circus. Then its mother shows up.

Bill Travers
Joe Ryan

William Sylvester
Sam Slade
Vincent Winter
Sean

Christopher Rhodes
McCartin

Joseph O'Conor
Prof. Hendricks

Bruce Seton
Prof. Flaherty

Martin Benson
Dorkin

Maurice Kaufmann
Radio Reporter

Basil Dignam
Admiral Brooks
Barry Keegan
Mate

Tommy Duggan
First Naval Officer
Howard Lang
First Colonel
Dervis Ward
Bosun
Mick Dillon
Gorgo

Nigel Green
Bulletin Announcer (Uncredited)
Eugène Lourié
Robert L. Richards, Daniel James
Released