Martin revolves around Lt. Brigadier Arjun Saxena, whose journey takes him from Pakistan to India to discover his real identity and fight against black market dealers, who are involved with terrorists to orchestrate massive attacks in the country.
| Actor | Role |
|---|---|
 Dhruva SarjaArjun Saxena / Martin | Arjun Saxena / Martin |
 Vaibhavi ShandilyaPreeti | Preeti |
 Anveshi JainMartin's girlfriend | Martin's girlfriend |
 Giorgia AndrianiDance Cameo | Dance Cameo |
 ChikkannaSathya | Sathya |
 Malavika AvinashDoctor in Pakistan | Doctor in Pakistan |
 Achyuth KumarAshok Kumar | Ashok Kumar |
 Nikitin DheerMushtaq | Mushtaq |
 Nawab ShahPakistani jailer | Pakistani jailer |
 Rohit PathakPakistani jailer | Pakistani jailer |
 Rubiel MosqueraFighter | Fighter |
 Nathan JonesFighter | Fighter |
| SSriram Reddy PolasaneSurgeon | Surgeon |
 Girija LokeshNot listed | Not listed |
 Sadhu KokilaNot listed | Not listed |
 Sukrutha WagleShabnam | Shabnam |
| AAkshay PunseNot listed | Not listed |
| AAarash ShahFighter | Fighter |
| PPrathap NarayanVivek | Vivek |
| VVajrang ShettyMunna | Munna |
 Daniel CaltagironeNot listed | Not listed |
| VVinay GowdaNot listed | Not listed |
| KKavya ShastriNot listed | Not listed |
| MMK MattaNot listed | Not listed |
| SSidlingu SridharNot listed | Not listed |
| SSandeep NeenasamNot listed | Not listed |
| TTelina MahimaNot listed | Not listed |