Signal Facts, FAQ & Common Questions
2016 · tvN · Status: Ended · Rated: TV-MA
Frequently Asked Questions About Signal
Direct, verified answers to the most common queries regarding episodes, renewals, watch order, and streaming availability.
How many seasons and episodes does Signal have?
Signal has 2 seasons and 17 total episodes, spanning from its premiere on January 22, 2016 to March 12, 2016.
Is Signal renewed, ended, or canceled?
Signal has concluded its run and is officially ended.
How long does it take to binge watch Signal?
It takes 12h 45m (765 minutes) to watch the complete run of Signal. At a standard pace of 2 hours per day, you will finish the entire series in approximately 7 days. Possible with dedication! Finishing this 12.8-hour series over Saturday and Sunday requires around 6.4 hours of viewing each day.
Where can you stream or watch Signal?
Signal is available for streaming on Netflix, Amazon Prime Video, Netflix Standard with Ads, Amazon Prime Video with Ads. Availability may vary by regional territory, subscription tier, and digital purchase availability.
What is the official age rating for Signal?
Signal has an official content rating of TV-MA. It is intended for mature adult audiences and may contain explicit language, intense violence, or sexual themes.
Who are the lead actors in Signal?
The primary ensemble cast includes Lee Je-hoon as Park Hae-young (age 42), Kim Hye-soo as Cha Soo-hyun (age 56), Cho Jin-woong as Lee Jae-han (age 50), Jang Hyun-sung as Kim Bum-joo (age 56).
Ensemble Cast & Current Ages
Lead cast members, their character identities, and current ages calculated from official biographical records:
| Actor | Character | Current Age |
|---|---|---|
| Lee Je-hoon | Park Hae-young | 42 |
| Kim Hye-soo | Cha Soo-hyun | 56 |
| Cho Jin-woong | Lee Jae-han | 50 |
| Jang Hyun-sung | Kim Bum-joo | 56 |
| Jung Hae-kyun | Ahn Chi-soo | 58 |
| Kim Won-hae | Kim Gye-chul | 57 |
| Jung Han-bi | Oh Yoon-seo | 40 |
| Lee Yoo-jun | Jung Heon-gi | 43 |
Editorial Verification & Sources
All production facts, air dates, cast credentials, and streaming metadata for Signal are compiled from official broadcaster archives, TMDB, and Wikidata records. Last verified on September 25, 2026.