Trivia

Is commonly confused as being the brother of actor Jason Marsden. Although the two are not related, they are actually good friends and their respective wives have been friends since they were six.

An accomplished singer.

In 1991, while vacationing with his family in Hawaii, he met actor Kirk Cameron and his actress sister Candace Cameron Bure; the Camerons invited Marsden to visit in L.A. and thus began his career.

He wore lifts for most of his scenes in the X-Men movies, because his character Cyclops is supposed to be 6' 3" compared to a 5' 3" Wolverine. In actuality, Marsden is under 6 feet tall, slightly shorter than Famke Janssen (as his love interest, (Jean Grey) and approximately 4 inches inches shorter than Hugh Jackman (who played Wolverine).

His father is a Distinguished Professor of Animal Sciences & Industry at Kansas State University.

Third child, son William Luca Costa-Marsden, was born on 14 December 2012. Mother is model Rose Costa.

He starred in two musicals in 2007: Hairspray (2007) and Enchanted (2007).

Attended Oklahoma State University

Lost out to Edward Norton for a role in Primal Fear (1996).

Father, with ex-wife Lisa Linde, of daughter Mary James Marsden, born on 10 August 2005.

Turned down the lead role in 54 (1998). Ryan Phillippe later got the role.

Also has two brothers, Jeff and Robbie.

Father, with ex-wife Lisa Linde, of son Jack Holden Marsden, born on February 1, 2001, in Los Angeles, weighing 7 lbs., 14 oz.

His ancestry is mostly English and German, with some Scottish, and distant French.

He has two sisters: Jennifer - age 24 and Elizabeth - age 12, as at 2004. Jennifer lives in Studio City, California and Elizabeth in Manhattan, Kansas.

(January 6, 2021) On the Late Late Show with James Corden he announced that he moved to Austin, Texas in 2020.

Graduated from Putnam City North High School (located in Oklahoma City) class of 1991.

Considered for the role of Johnny Rico in Starship Troopers (1997).

Joined the Delta Tau Delta fraternity while at Oklahoma State.

Has worked 4 times with actress Rebecca Romijn: X-Men (2000), X2: X-Men United (2003), Lies and Alibis (2006), and X-Men: The Last Stand (2006).

He has a father also named James Marsden but with a different middle name.

Wore a class of 1992 high school t-shirt in the movie The 24th Day, but he actually graduated in 1991.

Ex-son-in-law of Dennis Linde.

Has worked 4 times with Director Bryan Singer: X-Men (2000), X2: X-Men United (2003), Superman Returns (2006), and X-Men: Days of Future Past (2014).

Marsden's good friend Brian Peck was the best man in his wedding in 2000 to actress Lisa Linde.