A much abused loner achieves success, and even wins the heart of his gorgeous co-worker, after getting early morning mysterious phone calls from someone.
Unfortunately the movie Karthik Calling Karthik is not yet available on HBO Max.
| Directing | Vijay Lalwani | Director |
| Writing | Javed Akhtar | Lyricist |
| Sound | Caralisa Monteiro | Playback Singer |
| Sound | Malika Singh | Playback Singer |
| Sound | Shankar Mahadevan | Playback Singer |
| Sound | Clinton Cerejo | Playback Singer |
| Sound | KK | Playback Singer |
| Sound | Suraj Jagan | Playback Singer |
| Sound | Loy Mendonsa | Playback Singer |
| Sound | Kailash Kher | Playback Singer |
| Sound | Sukanya Purayastha | Playback Singer |
| Production | Farhan Akhtar | Producer |
| Writing | Vijay Lalwani | Screenplay |
| Directing | Paran Bawa | First Assistant Director |
| Sound | Midival Punditz | Additional Soundtrack |
| Costume & Make-Up | Swapnil Pathare | Makeup Artist |
| Art | Rachna Rastogi | Production Design |
| Art | Shama Shah | Set Decoration |
| Camera | Sanu John Varghese | Director of Photography |
| Art | K K Muralidharan | Production Design |
| Costume & Make-Up | Niharika Bhasin | Costume Designer |
| Production | Stuti Ramachandra | Line Producer |
| Sound | Loy Mendonsa | Original Music Composer |
| Production | Ritesh Sidhwani | Producer |
| Writing | Vijay Lalwani | Story |
| Writing | Vijay Lalwani | Dialogue |
| Sound | Prashant Dcruz | Sound Editor |
| Crew | Manoj Chouhan | Post Production Supervisor |
| Production | Vijay Lalwani | Associate Producer |
| Production | Nandini Shrikent | Casting Director |
| Production | Miriam Joseph | Executive Producer |
| Sound | Ehsaan Noorani | Original Music Composer |
| Sound | Karsh Kale | Additional Soundtrack |
| Editing | Aarti Bajaj | Editor |
| Production | Amit Chandrra | Associate Producer |
| Sound | Shankar Mahadevan | Original Music Composer |
| Sound | Prashant Dcruz | Sound Effects Editor |
| Sound | Alyssa Mendonsa | Playback Singer |
