Ivan Triesault

Born: 14 July 1898, Reval, Russian Empire [now Tallinn, Estonia]
Died: 3 January 1980, Los Angeles, California, USA

Uncertain Glory (1944) as Saboteur (uncredited)

Escape in the Fog (1945) as Hausmer - Schiller's Henchman

Journey to the Center of the Earth (1959) as Prof. Peter Goetabaug (uncredited)

Allan Caillou

Born: 9 November 1914, Surrey, England, UK
Died: 1 October 2006, Sedona, Arizona, USA

Journey to the Center of the Earth (1959) as Rector (uncredited)

Alan Caillou is on the left, with Alan Napier.

Pat Boone

Born: 1 June 1934, Jacksonville, Florida, USA

Journey to the Center of the Earth (1959) as Alec McEwan

Pat Boone is in between Diane Baker and James Mason.

Ben Wright

Born: 5 May 1915, London, England, UK
Died: 2 July 1989, Burbank, California, USA

Journey to the Center of the Earth (1959) as Paisley (uncredited)

Diane Baker

Born: 25 February 1938, Hollywood, Los Angeles, California, USA

Journey to the Center of the Earth (1959) as Jenny Lindenbrook

Krakatoa: East of Java (1968) as Laura

With Maximilian Schell.

David Wayne

Born: 30 January 1914, Traverse City, Michigan, USA
Died: 9 February 1995, Santa Monica, California, USA

The Twilight Zone: Escape Clause (1959) (Season 1, Episode 6) as Walter Bedeker