Ringer Genre Thriller Drama Neo-noir Mystery Crime Created by Eric Charmelo Nicole Snyder Starring Sarah Michelle Gellar Kristoffer Polaha Ioan Gruffudd Nestor Carbonell Mike Colter Theme music composer Gabriel Mann Composer(s) Gabriel Mann (episodes 1–4) Mark Snow (episodes 5–22) Country of origin United States Original language(s) English No. of seasons 1 No. of episodes 22 (list of episodes) Production Executive producer(s) Rachel Kaplan (pilot only) Sarah Michelle Gellar Eric Charmelo Nicole Snyder Richard Shepard Jon Liebman JoAnne Colonna Peter Traugott Pam Veasey Producer(s) P. Todd Coe James Bigwood (pilot only) Running time 42 minutes Production company(s) Green Eggs and Pam Productions, Inc.