Gammera the Invincible

Albert Dekker

Secretary of Defense

Brian Donlevy

Gen. Terry Arnold

Diane Findlay

Sgt. Susan Embers

John Baragrey

Capt. Lovell

Dick O'Neill

Gen. O'Neill

Mort Marshall

Jules Manning

Alan Oppenheimer

Dr. Contrare

Steve Zacharias

Sen. Billings

Thomas Stubblefield

J.T. Standish

Gene Bua

Lt. Clark

Bob Carraway

Lt. Simpson

John McCurry

A1C Hopkins

Walter Arnold

American Ambassador

Louis Zorich

Soviet ambassador

Robin Craven

British ambassador

Bernard Grant

Dr. Hidaka (voice)

Larry Robinson

Aoyagi (voice)

Paulette Rubinstein

Kyoke (voice)

Richard Kraft

Writer

Sandy Howard

Director

Julian C. Townsend

Director of Photography

Noriaki Yuasa

Director

Nobuo Munekawa

Director of Photography

Nisan Takahashi

Screenplay

Wes Farrell

Original Music Composer

Ken Barnett

Executive Producer

Yonejirô Saitô

Producer

Masaichi Nagata

Executive Producer

Hidemasa Nagata

Executive Producer

Tatsuji Nakashizu

Editor