did the second actor act in any other show?
Yes, "Without a Trace", "Ed" and "American Dad!" are some of them.
John Krasinski
Krasinski guest-starred in a number of television series including "", "Without a Trace", "Ed", "American Dad!" and "". 
which episode of the office is the fire drill The fourteenth and fifteenth episodes of the fifth season named "Stress Relief". is this a movie or tv show? TV show. is it animated? No. who acts in it? "Jenna Fischer", "John Krasinski" and "Ed Helms" are some of them. who is the writer? Paul Lieberstein. does he also act in the show? Yes, he plays "Toby Flenderson" on the show.
wiki:14573766
John Krasinski [SEP] 2005–2009: Breakthrough with "The Office" and directorial debut
Despite negative critical reception of the film, it emerged as a commercial success. Krasinski guest-starred in a number of television series including "", "Without a Trace", "Ed", "American Dad!" and "". He also co-starred in films including "Kinsey", "Duane Hopwood", "Jarhead", "The Holiday" and "Shrek the Third", "For Your Consideration" and "Dreamgirls". In 2008, Krasinski appeared alongside Renée Zellweger and George Clooney in the latter's directorial venture "Leatherheads" (2008), a period comedy about the early years of professional American football. He portrayed Carter "the Bullet" Rutherford, Princeton University's college football star and a decorated hero of the First World War.