Skip to content

Acting

Guillermo Callahan

1 credit tracked

Follow actor

Movies

1974: The Possession of Altair
as Callahan
2017-04-07

StreamCal

A single calendar for every new movie and TV season across every major streamer and in theaters. Know what is coming, where to watch it, and whether the next season is real.

The weekly drop

What's premiering this week, in your inbox. No spam.

Navigation

Experiences
Charts: Greece
Leaving soon
What to watch
What's airing this week
Latest trailers
Monthly Digest
Search
By country
Greece Turkey Thailand Philippines

Account

Sign in
Watchlist
Settings
Notifications

Company

About
Contact
Suggestion box

More from the Cal family

SportsCalSoonThe sports calendar

SongCalSoonNew music release calendar

© 2026 StreamCal. All rights reserved.This product uses the TMDB API but is not endorsed or certified by TMDB.

Privacy Terms Disclaimer